{"results":[{"title":"Set up SPF to identify valid email sources for your Microsoft 365 domain - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/email-authentication-spf-configure","displayUrl":{"content":"/defender-office-365/email-authentication-spf-configure","hitHighlights":[]},"description":"Set up SPF to identify valid email sources for your custom cloud domains Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Sender Policy Framework (SPF) is a method of email authentication that helps validate mail sent from your Microsoft 365 organization.","descriptions":[{"content":"Set up SPF to identify valid email sources for your custom cloud domains Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Sender Policy Framework (SPF) is a method of email authentication that helps validate mail sent from your Microsoft 365 organization.","hitHighlights":[{"start":6,"length":5},{"start":13,"length":10},{"start":34,"length":9},{"start":215,"length":14},{"start":238,"length":7},{"start":265,"length":16}]}],"lastUpdatedDate":"2026-07-17T07:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365"]},{"title":"Microsoft Graph documentation","url":"https://learn.microsoft.com/en-us/graph/","displayUrl":{"content":"/graph/","hitHighlights":[]},"description":"Microsoft Graph documentation Microsoft Graph is the gateway to data and intelligence in Microsoft 365. Use Microsoft Graph to build intelligent apps, derive insights and analytics, and extend Microsoft 365 experiences. Overview What is Microsoft Graph. Microsoft Teams teamwork and communications Explore chat-based collaboration, meetings,.","descriptions":[{"content":"Microsoft Graph documentation Microsoft Graph is the gateway to data and intelligence in Microsoft 365. Use Microsoft Graph to build intelligent apps, derive insights and analytics, and extend Microsoft 365 experiences. Overview What is Microsoft Graph. Microsoft Teams teamwork and communications Explore chat-based collaboration, meetings,.","hitHighlights":[]}],"lastUpdatedDate":"2025-11-18T16:57:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Graph"]},{"title":"Anti-phishing policies in Microsoft 365 - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/anti-phishing-policies-about","displayUrl":{"content":"/defender-office-365/anti-phishing-policies-about","hitHighlights":[]},"description":"Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. For a customized experience based on your environment, you can access the Security Analyzer automated setup guide in the Microsoft 365 admin center. Tip As a companion to this article, we recommend using the Microsoft Defender for Endpoint automated setup guide.","descriptions":[{"content":"Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. For a customized experience based on your environment, you can access the Security Analyzer automated setup guide in the Microsoft 365 admin center. Tip As a companion to this article, we recommend using the Microsoft Defender for Endpoint automated setup guide.","hitHighlights":[{"start":159,"length":10},{"start":177,"length":17},{"start":226,"length":8}]}],"lastUpdatedDate":"2026-08-21T07:38:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Defender for Office 365"]},{"title":"Recommendations for Microsoft 365 security settings - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/recommended-settings-for-eop-and-office365","displayUrl":{"content":"/defender-office-365/recommended-settings-for-eop-and-office365","hitHighlights":[]},"description":"Recommended email and collaboration threat policy settings for cloud organizations Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Before tuning anti-phishing or other.","descriptions":[{"content":"Recommended email and collaboration threat policy settings for cloud organizations Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Before tuning anti-phishing or other.","hitHighlights":[]}],"lastUpdatedDate":"2026-08-10T22:36:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Defender","Microsoft Defender for Office 365"]},{"title":"Manage quarantined messages and files as an admin - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/quarantine-admin-manage-messages-files","displayUrl":{"content":"/defender-office-365/quarantine-admin-manage-messages-files","hitHighlights":[]},"description":"Manage quarantined messages and files as an admin Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Admins in Microsoft 365 organizations with Defender for Office 365.","descriptions":[{"content":"Manage quarantined messages and files as an admin Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Admins in Microsoft 365 organizations with Defender for Office 365.","hitHighlights":[{"start":6,"length":22}]}],"lastUpdatedDate":"2026-10-26T21:47:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Defender","Microsoft Defender for Office 365","Microsoft Teams"]},{"title":"Respond to a compromised email account in Microsoft 365 - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/responding-to-a-compromised-email-account","displayUrl":{"content":"/defender-office-365/responding-to-a-compromised-email-account","hitHighlights":[]},"description":"Use this test with the guidance in this article to gain insight into potentially compromised accounts and determine the necessary remediation actions. Run Tests: Compromised Accounts Common symptoms of a compromised Microsoft 365 email account One or more of the following activities might indicate an account associated with a Microsoft 365 mailbox.","descriptions":[{"content":"Use this test with the guidance in this article to gain insight into potentially compromised accounts and determine the necessary remediation actions. Run Tests: Compromised Accounts Common symptoms of a compromised Microsoft 365 email account One or more of the following activities might indicate an account associated with a Microsoft 365 mailbox.","hitHighlights":[]}],"lastUpdatedDate":"2026-08-19T22:43:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Access","Microsoft 365","Microsoft Defender for Office 365"]},{"title":"Find and release quarantined messages as a user - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/quarantine-end-user","displayUrl":{"content":"/defender-office-365/quarantine-end-user","hitHighlights":[]},"description":"Manage quarantined messages and files as a user Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. As an ordinary user (not an admin), the default capabilities that are.","descriptions":[{"content":"Manage quarantined messages and files as a user Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. As an ordinary user (not an admin), the default capabilities that are.","hitHighlights":[{"start":6,"length":22}]}],"lastUpdatedDate":"2026-08-19T22:43:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Defender","Microsoft Defender for Office 365","Power Automate"]},{"title":"Windows Server 2025 known issues and notifications","url":"https://learn.microsoft.com/en-us/windows/release-health/status-windows-server-2025","displayUrl":{"content":"/windows/release-health/status-windows-server-2025","hitHighlights":[]},"description":"SummaryOriginating updateStatusLast updated Users might be unable to sign in to OWA or send emails on Exchange ServerIssue reported on Exchange Server 2016, 2019, and Subscription Edition, affecting OWA sign-in and mail delivery.OS Build 26100.33650 KB51266462026-10-13Mitigated2026-10-16 21:48 PT Incorrect notifications that \u0022Microsoft Defender.","descriptions":[{"content":"SummaryOriginating updateStatusLast updated Users might be unable to sign in to OWA or send emails on Exchange ServerIssue reported on Exchange Server 2016, 2019, and Subscription Edition, affecting OWA sign-in and mail delivery.OS Build 26100.33650 KB51266462026-10-13Mitigated2026-10-16 21:48 PT Incorrect notifications that \u0022Microsoft Defender.","hitHighlights":[]}],"lastUpdatedDate":"2026-10-30T00:22:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Windows","Windows Server","Windows Server 2025"]},{"title":"Windows Server 2022 known issues and notifications","url":"https://learn.microsoft.com/en-us/windows/release-health/status-windows-server-2022","displayUrl":{"content":"/windows/release-health/status-windows-server-2022","hitHighlights":[]},"description":"...start or produce no soundSome USB Audio Class 1.0 devices display Code 10 or fail in multichannel audio modes after installing the Sept. 8 updateOS Build 20348.5622 KB51228822026-09-08Resolved KB51292372026-10-13 11:02 PT Incorrect notifications that \u0022Microsoft Defender Antivirus is turned off\u0022Microsoft Defender Antivirus remains active and.","descriptions":[{"content":"...start or produce no soundSome USB Audio Class 1.0 devices display Code 10 or fail in multichannel audio modes after installing the Sept. 8 updateOS Build 20348.5622 KB51228822026-09-08Resolved KB51292372026-10-13 11:02 PT Incorrect notifications that \u0022Microsoft Defender Antivirus is turned off\u0022Microsoft Defender Antivirus remains active and.","hitHighlights":[]}],"lastUpdatedDate":"2026-10-30T00:22:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Windows","Windows Server"]},{"title":"Anti-spam message headers - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/message-headers-eop-mdo","displayUrl":{"content":"/defender-office-365/message-headers-eop-mdo","hitHighlights":[]},"description":"Anti-spam message headers in cloud organizations Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. It\u0027s used primarily in on-premises Exchange environments, including.","descriptions":[{"content":"Anti-spam message headers in cloud organizations Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. It\u0027s used primarily in on-premises Exchange environments, including.","hitHighlights":[{"start":0,"length":10},{"start":149,"length":10},{"start":299,"length":36}]}],"lastUpdatedDate":"2026-08-12T07:37:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Defender","Microsoft Defender for Office 365","Power Automate"]},{"title":"Set up DMARC to validate email in Microsoft 365 - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/email-authentication-dmarc-configure","displayUrl":{"content":"/defender-office-365/email-authentication-dmarc-configure","hitHighlights":[]},"description":"Lear... Domain-based Message Authentication, Reporting, and Conformance (DMARC) is a method of email authentication to validate mail sent from your Microsoft 365 organization. DMARC validation of an email message involves the following elements: Verify the domains in the MAIL FROM and FROM addresses align: SPF and DKIM don\u0027t require the domains in.","descriptions":[{"content":"Lear... Domain-based Message Authentication, Reporting, and Conformance (DMARC) is a method of email authentication to validate mail sent from your Microsoft 365 organization. DMARC validation of an email message involves the following elements: Verify the domains in the MAIL FROM and FROM addresses align: SPF and DKIM don\u0027t require the domains in.","hitHighlights":[]}],"lastUpdatedDate":"2026-07-17T07:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365"]},{"title":"Create a shared mailbox - Microsoft 365 admin","url":"https://learn.microsoft.com/en-us/microsoft-365/admin/email/create-a-shared-mailbox","displayUrl":{"content":"/microsoft-365/admin/email/create-a-shared-mailbox","hitHighlights":[]},"description":"Create a shared mailbox Summarize this article for me In this article Note If your organization uses a hybrid Exchange environment, you should use the on-premises Exchange admin center to create and manage shared mailboxes. See Create shared mailboxes in the Exchange admin center If you\u0027re not sure if you should create a shared mailbox or a.","descriptions":[{"content":"Create a shared mailbox Summarize this article for me In this article Note If your organization uses a hybrid Exchange environment, you should use the on-premises Exchange admin center to create and manage shared mailboxes. See Create shared mailboxes in the Exchange admin center If you\u0027re not sure if you should create a shared mailbox or a.","hitHighlights":[{"start":0,"length":24},{"start":205,"length":18}]}],"lastUpdatedDate":"2026-05-28T23:08:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft 365 Admin Center","Outlook"]},{"title":"External Domain Name System records for Microsoft 365 - Microsoft 365 Enterprise","url":"https://learn.microsoft.com/en-us/microsoft-365/enterprise/external-domain-name-system-records","displayUrl":{"content":"/microsoft-365/enterprise/external-domain-name-system-records","hitHighlights":[]},"description":"External Domain Name System records for Microsoft 365 Summarize this article for me In this article Want to see a customized list of DNS records for your Microsoft 365 organization. You can find the info you need to create Microsoft 365 DNS records for your domain in Microsoft 365. The following list should be used as a reference for your custom.","descriptions":[{"content":"External Domain Name System records for Microsoft 365 Summarize this article for me In this article Want to see a customized list of DNS records for your Microsoft 365 organization. You can find the info you need to create Microsoft 365 DNS records for your domain in Microsoft 365. The following list should be used as a reference for your custom.","hitHighlights":[{"start":8,"length":8},{"start":20,"length":8},{"start":113,"length":12},{"start":132,"length":13}]}],"lastUpdatedDate":"2026-10-30T20:32:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365"]},{"title":"Report phishing and suspicious emails in Outlook for admins - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/submissions-outlook-report-messages","displayUrl":{"content":"/defender-office-365/submissions-outlook-report-messages","hitHighlights":[{"start":33,"length":7}]},"description":"Report phishing and suspicious emails in Outlook for admins Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Use the 90-day Defender for Office 365 trial at the Microsoft Defender portal trials hub. Learn about who can sign up and trial terms on Try.","descriptions":[{"content":"Report phishing and suspicious emails in Outlook for admins Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Use the 90-day Defender for Office 365 trial at the Microsoft Defender portal trials hub. Learn about who can sign up and trial terms on Try.","hitHighlights":[{"start":0,"length":16},{"start":19,"length":19}]}],"lastUpdatedDate":"2026-07-17T07:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Defender for Office 365","Outlook"]},{"title":"Use the Outlook mail REST API - Microsoft Graph v1.0","url":"https://learn.microsoft.com/en-us/graph/api/resources/mail-api-overview","displayUrl":{"content":"/graph/api/resources/mail-api-overview","hitHighlights":[{"start":21,"length":4}]},"description":"Use the Outlook mail REST API Summarize this article for me In this article Microsoft Graph lets your app get authorized access to a user\u0027s Outlook mail data in a personal or organization account. With the appropriate delegated or application mail permissions, your app can access the mail data of the signed-in user or any user in a tenant. For.","descriptions":[{"content":"Use the Outlook mail REST API Summarize this article for me In this article Microsoft Graph lets your app get authorized access to a user\u0027s Outlook mail data in a personal or organization account. With the appropriate delegated or application mail permissions, your app can access the mail data of the signed-in user or any user in a tenant. For.","hitHighlights":[{"start":101,"length":74},{"start":187,"length":9}]}],"lastUpdatedDate":"2026-04-10T01:40:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Exchange Online","Microsoft Graph","Outlook"]},{"title":"Create allowlists - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/create-safe-sender-lists-in-office-365","displayUrl":{"content":"/defender-office-365/create-safe-sender-lists-in-office-365","hitHighlights":[]},"description":"Create sender allowlists for cloud mailboxes Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. All organizations with cloud mailboxes offer multiple ways of allowing.","descriptions":[{"content":"Create sender allowlists for cloud mailboxes Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. All organizations with cloud mailboxes offer multiple ways of allowing.","hitHighlights":[{"start":0,"length":25}]}],"lastUpdatedDate":"2026-08-12T07:37:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Defender for Office 365","Outlook","Power Automate"]},{"title":"Bulk email detection - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/anti-spam-bulk-complaint-level-bcl-about","displayUrl":{"content":"/defender-office-365/anti-spam-bulk-complaint-level-bcl-about","hitHighlights":[]},"description":"Bulk email detection and bulk complaint level (BCL) in cloud organizations Summarize this article for me In this article Microsoft 365 assigns a bulk complaint level (BCL) value to inbound messages from bulk senders. The BCL value is added to the message in an X-header. A higher BCL value indicates a bulk message is more likely to exhibit.","descriptions":[{"content":"Bulk email detection and bulk complaint level (BCL) in cloud organizations Summarize this article for me In this article Microsoft 365 assigns a bulk complaint level (BCL) value to inbound messages from bulk senders. The BCL value is added to the message in an X-header. A higher BCL value indicates a bulk message is more likely to exhibit.","hitHighlights":[{"start":144,"length":28},{"start":177,"length":39}]}],"lastUpdatedDate":"2026-10-31T07:38:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Defender","Outlook"]},{"title":"Safe Attachments - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/safe-attachments-about","displayUrl":{"content":"/defender-office-365/safe-attachments-about","hitHighlights":[]},"description":"Safe Attachments in Microsoft Defender for Office 365 Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Specifically, Safe Attachments uses a virtual environment to check.","descriptions":[{"content":"Safe Attachments in Microsoft Defender for Office 365 Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Specifically, Safe Attachments uses a virtual environment to check.","hitHighlights":[{"start":0,"length":17}]}],"lastUpdatedDate":"2026-08-10T17:41:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Dynamics","Microsoft 365","Microsoft Defender for Office 365"]},{"title":"How email authentication works in Microsoft 365 - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/email-authentication-about","displayUrl":{"content":"/defender-office-365/email-authentication-about","hitHighlights":[]},"description":"Email authentication in cloud organizations Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Email authentication (also known as email validation) is a group of standards.","descriptions":[{"content":"Email authentication in cloud organizations Summarize this article for me In this article Tip Did you know you can try the features in Microsoft Defender for Office 365 Plan 2 for free. Learn about who can sign up and trial terms on Try Microsoft Defender for Office 365. Email authentication (also known as email validation) is a group of standards.","hitHighlights":[]}],"lastUpdatedDate":"2026-07-17T07:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Defender for Office 365"]},{"title":"Microsoft Purview Message Encryption","url":"https://learn.microsoft.com/en-us/purview/ome","displayUrl":{"content":"/purview/ome","hitHighlights":[]},"description":"Message encryption Summarize this article for me In this article Microsoft Purview service description People often use email to exchange sensitive information, such as financial data, legal contracts, confidential product information, sales reports and projections, patient health information, or customer and employee information. As a result,.","descriptions":[{"content":"Message encryption Summarize this article for me In this article Microsoft Purview service description People often use email to exchange sensitive information, such as financial data, legal contracts, confidential product information, sales reports and projections, patient health information, or customer and employee information. As a result,.","hitHighlights":[{"start":7,"length":12},{"start":137,"length":11},{"start":184,"length":18}]}],"lastUpdatedDate":"2026-05-14T22:33:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Purview","Outlook"]},{"title":"Cross-tenant mailbox migration","url":"https://learn.microsoft.com/en-us/microsoft-365/migration/cross-tenant-mailbox-migration","displayUrl":{"content":"/microsoft-365/migration/cross-tenant-mailbox-migration","hitHighlights":[]},"description":"Cross-tenant mailbox migration Summarize this article for me In this article During mergers or divestitures, you might need the ability to move your users\u0027 Exchange Online mailboxes into a new tenant. Users migrating must be present in the target tenant Exchange Online system as a MailUser, marked with specific attributes to enable the.","descriptions":[{"content":"Cross-tenant mailbox migration Summarize this article for me In this article During mergers or divestitures, you might need the ability to move your users\u0027 Exchange Online mailboxes into a new tenant. Users migrating must be present in the target tenant Exchange Online system as a MailUser, marked with specific attributes to enable the.","hitHighlights":[]}],"lastUpdatedDate":"2026-10-30T20:32:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Azure Batch","Microsoft 365","Microsoft Exchange Online"]},{"title":"Plus Addressing in Exchange Online","url":"https://learn.microsoft.com/en-us/exchange/recipients-in-exchange-online/plus-addressing-in-exchange-online","displayUrl":{"content":"/exchange/recipients-in-exchange-online/plus-addressing-in-exchange-online","hitHighlights":[{"start":10,"length":10}]},"description":"Plus Addressing in Exchange Online Summarize this article for me In this article Plus addressing (also known as subaddressing) is enabled by default in Exchange Online. Subaddressing is an industry-defined way to support dynamic, disposable recipient (not sender) email addresses for mailboxes. An SMTP email address uses the basic syntax: @. For.","descriptions":[{"content":"Plus Addressing in Exchange Online Summarize this article for me In this article Plus addressing (also known as subaddressing) is enabled by default in Exchange Online. Subaddressing is an industry-defined way to support dynamic, disposable recipient (not sender) email addresses for mailboxes. An SMTP email address uses the basic syntax: @. For.","hitHighlights":[{"start":80,"length":17},{"start":169,"length":14},{"start":220,"length":60}]}],"lastUpdatedDate":"2026-10-27T23:28:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Exchange Online"]},{"title":"Find and fix email delivery issues as a Microsoft 365 for business admin - Exchange","url":"https://learn.microsoft.com/en-us/troubleshoot/exchange/email-delivery/email-delivery-issues","displayUrl":{"content":"/troubleshoot/exchange/email-delivery/email-delivery-issues","hitHighlights":[]},"description":"Use Outlook on the web to look for missing messages - 5 minutes If a user is receiving e... Instructions: Sign in to Outlook on the web for business Run Support and Recovery Assistant to fix Outlook problems or account issues - 10 minutes Note The Get Help troubleshooters aren\u0027t available for new Outlook for Windows. If a single user in your.","descriptions":[{"content":"Use Outlook on the web to look for missing messages - 5 minutes If a user is receiving e... Instructions: Sign in to Outlook on the web for business Run Support and Recovery Assistant to fix Outlook problems or account issues - 10 minutes Note The Get Help troubleshooters aren\u0027t available for new Outlook for Windows. If a single user in your.","hitHighlights":[{"start":105,"length":31},{"start":152,"length":9},{"start":173,"length":11}]}],"lastUpdatedDate":"2025-06-25T10:04:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Azure Service Health","Microsoft 365","Outlook"]},{"title":"Messages sent from a shared mailbox aren\u0027t saved to the Sent Items folder - Exchange","url":"https://learn.microsoft.com/en-us/troubleshoot/exchange/user-and-shared-mailboxes/sent-mail-is-not-saved","displayUrl":{"content":"/troubleshoot/exchange/user-and-shared-mailboxes/sent-mail-is-not-saved","hitHighlights":[{"start":49,"length":4},{"start":54,"length":4}]},"description":"Messages sent from a shared mailbox aren\u0027t saved to the Sent Items folder Summarize this article for me In this article Symptoms Assume that you\u0027re using Microsoft Outlook 2016 or a later version, and you\u0027ve been delegated permission to send email messages as another user or on behalf of another user from a shared mailbox. However, when you send a.","descriptions":[{"content":"Messages sent from a shared mailbox aren\u0027t saved to the Sent Items folder Summarize this article for me In this article Symptoms Assume that you\u0027re using Microsoft Outlook 2016 or a later version, and you\u0027ve been delegated permission to send email messages as another user or on behalf of another user from a shared mailbox. However, when you send a.","hitHighlights":[]}],"lastUpdatedDate":"2025-06-25T10:04:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook"]},{"title":"The Outlook AutoComplete list","url":"https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/contacts/outlook-autocomplete-list","displayUrl":{"content":"/microsoft-365-apps/outlook/contacts/outlook-autocomplete-list","hitHighlights":[{"start":20,"length":7},{"start":37,"length":7}]},"description":"The Outlook AutoComplete list Summarize this article for me In this article Original KB number: \u00A0 2199226 Important Exchange Online provides some search features through Microsoft Search. Beginning in Outlook for Microsoft 365 Version 2202 (Build 14931.20604), if you\u0027re connected to an Exchange Online mailbox, the suggestions list for the.","descriptions":[{"content":"The Outlook AutoComplete list Summarize this article for me In this article Original KB number: \u00A0 2199226 Important Exchange Online provides some search features through Microsoft Search. Beginning in Outlook for Microsoft 365 Version 2202 (Build 14931.20604), if you\u0027re connected to an Exchange Online mailbox, the suggestions list for the.","hitHighlights":[]}],"lastUpdatedDate":"2025-08-07T18:42:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook"]},{"title":"Self-help diagnostics for issues in Exchange Online and Outlook - Exchange","url":"https://learn.microsoft.com/en-us/troubleshoot/exchange/administration/self-help-diagnostics","displayUrl":{"content":"/troubleshoot/exchange/administration/self-help-diagnostics","hitHighlights":[]},"description":"Self-help diagnostics for issues in Exchange Online and Outlook Summarize this article for me In this article Summary As an administrator, you need to diagnose and quickly resolve issues in Exchange Online and Outlook. Both the Microsoft 365 admin center and the Exchange admin center (EAC) provide diagnostics that you can run to troubleshoot.","descriptions":[{"content":"Self-help diagnostics for issues in Exchange Online and Outlook Summarize this article for me In this article Summary As an administrator, you need to diagnose and quickly resolve issues in Exchange Online and Outlook. Both the Microsoft 365 admin center and the Exchange admin center (EAC) provide diagnostics that you can run to troubleshoot.","hitHighlights":[]}],"lastUpdatedDate":"2026-08-12T22:04:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365 Admin Center","Microsoft Exchange Online","Outlook"]},{"title":"Enhanced filtering for connectors in Exchange Online","url":"https://learn.microsoft.com/en-us/exchange/mail-flow-best-practices/use-connectors-to-configure-mail-flow/enhanced-filtering-for-connectors","displayUrl":{"content":"/exchange/mail-flow-best-practices/use-connectors-to-configure-mail-flow/enhanced-filtering-for-connectors","hitHighlights":[{"start":10,"length":4},{"start":63,"length":4}]},"description":"Enhanced Filtering for Connectors in Exchange Online Summarize this article for me In this article Properly configured inbound connectors are a trusted source of incoming mail to Microsoft 365. But in complex routing scenarios where email for your Microsoft 365 domain is routed somewhere else first, the source of the inbound connector is typically.","descriptions":[{"content":"Enhanced Filtering for Connectors in Exchange Online Summarize this article for me In this article Properly configured inbound connectors are a trusted source of incoming mail to Microsoft 365. But in complex routing scenarios where email for your Microsoft 365 domain is routed somewhere else first, the source of the inbound connector is typically.","hitHighlights":[{"start":161,"length":10},{"start":178,"length":15}]}],"lastUpdatedDate":"2026-10-14T20:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365"]},{"title":"Outlook mail API overview - Microsoft Graph","url":"https://learn.microsoft.com/en-us/graph/outlook-mail-concept-overview","displayUrl":{"content":"/graph/outlook-mail-concept-overview","hitHighlights":[{"start":7,"length":7},{"start":15,"length":4}]},"description":"Outlook mail API overview Summarize this article for me In this article Outlook is a messaging communication hub in Microsoft 365. Even though Outlook does not save messages in MIME format, apps can get the body of an Outlook message in MIME format, send Outlook messages in MIME format, attach S/MIME digital signatures, and encrypt message content.","descriptions":[{"content":"Outlook mail API overview Summarize this article for me In this article Outlook is a messaging communication hub in Microsoft 365. Even though Outlook does not save messages in MIME format, apps can get the body of an Outlook message in MIME format, send Outlook messages in MIME format, attach S/MIME digital signatures, and encrypt message content.","hitHighlights":[{"start":301,"length":21}]}],"lastUpdatedDate":"2026-05-11T23:47:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Graph","Outlook"]},{"title":"Give mailbox permissions to another user - Admin Help - Microsoft 365 admin","url":"https://learn.microsoft.com/en-us/microsoft-365/admin/add-users/give-mailbox-permissions-to-another-user","displayUrl":{"content":"/microsoft-365/admin/add-users/give-mailbox-permissions-to-another-user","hitHighlights":[]},"description":"Give mailbox permissions to another Microsoft 365 user - Admin help Summarize this article for me In this article As an administrator, you might have company requirements to allow some users to have access to another user\u0027s mailbox. For example, you might want to enable an assistant to send or read email from their manager\u0027s mailbox. Or you might.","descriptions":[{"content":"Give mailbox permissions to another Microsoft 365 user - Admin help Summarize this article for me In this article As an administrator, you might have company requirements to allow some users to have access to another user\u0027s mailbox. For example, you might want to enable an assistant to send or read email from their manager\u0027s mailbox. Or you might.","hitHighlights":[]}],"lastUpdatedDate":"2026-10-30T17:33:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Access","Microsoft 365","Microsoft 365 Admin Center"]},{"title":"Fix NDR error 550 5.1.0 in Exchange Online - Exchange","url":"https://learn.microsoft.com/en-us/troubleshoot/exchange/email-delivery/ndr/fix-error-code-550-5-1-0-in-exchange-online","displayUrl":{"content":"/troubleshoot/exchange/email-delivery/ndr/fix-error-code-550-5-1-0-in-exchange-online","hitHighlights":[]},"description":"Fix NDR error \u0022550 5.1.0\u0022 in Exchange Online Summarize this article for me In this article It\u0027s frustrating when you get an error after sending an email message. This topic describes what you can do if you see error code 550 5.1.0 or 5.1.0 in a non-delivery report (also known as an NDR, bounce message, delivery status notification, or DSN). Use.","descriptions":[{"content":"Fix NDR error \u0022550 5.1.0\u0022 in Exchange Online Summarize this article for me In this article It\u0027s frustrating when you get an error after sending an email message. This topic describes what you can do if you see error code 550 5.1.0 or 5.1.0 in a non-delivery report (also known as an NDR, bounce message, delivery status notification, or DSN). Use.","hitHighlights":[]}],"lastUpdatedDate":"2026-08-11T02:05:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Exchange Online","Outlook"]}],"spellingCorrection":[],"scopeRemoved":false,"count":2465518,"nextLink":"https://learn.microsoft.com/api/Search?locale=en-us\u0026search=can%20i%20sign%20and%20send%20back%20a%20contract%20to%20a%20known%20recepient%20%20in%20my%20junk%20mail%20in%20outlook\u0026$skip=30","srcheng":"02","termHasSynonyms":false,"searchType":"semantic"}