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OAuth2 support for IMAP, POP, and SMTP protocols as described below is available for both Microsoft 365 (which.","descriptions":[{"content":"Authenticate an IMAP, POP or SMTP connection using OAuth Summarize this article for me In this article Learn how to use OAuth authentication to connect with IMAP, POP, or SMTP protocols and to access email data for Office 365 users. 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Note If you\u0027re looking for.","descriptions":[{"content":"Fix Outlook connection problems for Microsoft 365 account Summarize this article for me In this article If you\u0027re using Outlook to access your Microsoft 365 email account or another Exchange-based email account, and you\u0027re having problems, we want to get you back to sending and receiving email as quickly as possible. 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If you cancel the.","descriptions":[{"content":"Outlook continually prompts for your password when you try to connect to Microsoft 365 Summarize this article for me In this article Symptoms When you try to create an Outlook profile or connect to a Microsoft 365 mailbox, you\u0027re continually prompted for credentials while the client displays a \u0022trying to connect...\u0022. message. 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This article discusses how to add a shared mailbox to your profile as an additional account..","hitHighlights":[{"start":0,"length":46},{"start":128,"length":16}]}],"lastUpdatedDate":"2026-09-11T14:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook"]},{"title":"Share your calendar or open a shared calendar","url":"https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/calendaring/open-shared-calendar","displayUrl":{"content":"/microsoft-365-apps/outlook/calendaring/open-shared-calendar","hitHighlights":[]},"description":"...e for your Outlook email client: Outlook for Windows: Share an Outlook calendar with other people Outlook on the Web: Share your calendar in Outlook on the web for business Outlook for Mac: Delegation and shared calendars in Outlook for Mac Outlook for Mobile: Calendar sharing in Outlook mobile Outlook.com: Share your calendar in Outlook.com.","descriptions":[{"content":"...e for your Outlook email client: Outlook for Windows: Share an Outlook calendar with other people Outlook on the Web: Share your calendar in Outlook on the web for business Outlook for Mac: Delegation and shared calendars in Outlook for Mac Outlook for Mobile: Calendar sharing in Outlook mobile Outlook.com: Share your calendar in Outlook.com.","hitHighlights":[{"start":13,"length":15},{"start":65,"length":18},{"start":100,"length":21},{"start":131,"length":36},{"start":227,"length":9},{"start":283,"length":9},{"start":298,"length":20},{"start":322,"length":10},{"start":334,"length":13}]}],"lastUpdatedDate":"2026-08-22T03:05:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Outlook"]},{"title":"Overview of using Outlook and Power Automate - Power Automate","url":"https://learn.microsoft.com/en-us/power-automate/email-overview","displayUrl":{"content":"/power-automate/email-overview","hitHighlights":[]},"description":"Overview of using Outlook and Power Automate Summarize this article for me In this article Connectors represent the service to which you want to connect. For example, you can use the OneDrive, SharePoint, or Twitter (now X) connectors to use those services. Two of the most popular connectors used in cloud flows to send or receive email are the.","descriptions":[{"content":"Overview of using Outlook and Power Automate Summarize this article for me In this article Connectors represent the service to which you want to connect. For example, you can use the OneDrive, SharePoint, or Twitter (now X) connectors to use those services. 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Outlook VBA reference Outlook 2010 Office Add-ins Get started with Outlook add-insFind how-to content, sample code, SDK and API.","descriptions":[{"content":"Outlook Summarize this article for me In this article Find how-to content, sample code, SDK and API documentation, VBA references, training, and technical articles for developing solutions and customizing Outlook.  ... 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Or, you receive the following error message: Outlook not responding Cause This problem occurs for one or.","descriptions":[{"content":"Outlook not responding error or Outlook freezes when you open a file or send mail Summarize this article for me In this article Symptoms When you open a file or send an email message in Microsoft Outlook 2010 or later versions, Outlook freezes. 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Integrate.","descriptions":[{"content":"Outlook mail API overview Summarize this article for me In this article Outlook is a messaging communication hub in Microsoft 365. It also lets you manage contacts, schedule meetings, find information about users in an organization, initiate online conversations, share files, and collaborate in groups. Why integrate with Outlook mail. Integrate.","hitHighlights":[]}],"lastUpdatedDate":"2026-05-11T23:47:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Graph","Outlook"]},{"title":"Manage updates in new Outlook for Windows","url":"https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/manage/manage-updates-new-outlook-windows","displayUrl":{"content":"/microsoft-365-apps/outlook/manage/manage-updates-new-outlook-windows","hitHighlights":[]},"description":"Manage updates in new Outlook for Windows Summarize this article for me In this article Updates to the new Outlook for Windows The new Outlook for Windows app updates automatically, with new build updates shipping weekly. Unlike the classic version, though, features aren\u0027t delivered via build updates. The native component updates ensure that the.","descriptions":[{"content":"Manage updates in new Outlook for Windows Summarize this article for me In this article Updates to the new Outlook for Windows The new Outlook for Windows app updates automatically, with new build updates shipping weekly. Unlike the classic version, though, features aren\u0027t delivered via build updates. The native component updates ensure that the.","hitHighlights":[{"start":0,"length":30},{"start":87,"length":16},{"start":106,"length":21},{"start":134,"length":48}]}],"lastUpdatedDate":"2026-05-29T21:13:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Windows"]},{"title":"Microsoft 365 U.S. Government GCC High endpoints - Microsoft 365 Enterprise","url":"https://learn.microsoft.com/en-us/microsoft-365/enterprise/microsoft-365-u-s-government-gcc-high-endpoints","displayUrl":{"content":"/microsoft-365/enterprise/microsoft-365-u-s-government-gcc-high-endpoints","hitHighlights":[]},"description":"...ine ID Category ER Addresses Ports 1 OptimizeRequired Yes outlook.office365.us20.35.208.0/20, 20.35.240.0/21, 40.66.16.0/21, 2001:489a:2200:100::/56, 2001:489a:2200:400::/56, 2001:489a:2200:600::/56, 2001:489a:2200:8000::/50 TCP: 443, 80 4 DefaultRequired Yes attachments.office365-net.us, autodiscover-s.office365.us,.","descriptions":[{"content":"...ine ID Category ER Addresses Ports 1 OptimizeRequired Yes outlook.office365.us20.35.208.0/20, 20.35.240.0/21, 40.66.16.0/21, 2001:489a:2200:100::/56, 2001:489a:2200:400::/56, 2001:489a:2200:600::/56, 2001:489a:2200:8000::/50 TCP: 443, 80 4 DefaultRequired Yes attachments.office365-net.us, autodiscover-s.office365.us,.","hitHighlights":[{"start":0,"length":7},{"start":60,"length":37}]}],"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":[]},"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":[]}],"lastUpdatedDate":"2026-07-17T07:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Defender for Office 365","Outlook"]},{"title":"Microsoft 365 group missing in Outlook and Outlook on the Web - Exchange","url":"https://learn.microsoft.com/en-us/troubleshoot/exchange/groups-and-distribution-lists/microsoft-365-group-does-not-appear-in-outlook","displayUrl":{"content":"/troubleshoot/exchange/groups-and-distribution-lists/microsoft-365-group-does-not-appear-in-outlook","hitHighlights":[]},"description":"Microsoft 365 group doesn\u0027t appear in Outlook or Outlook on the web Summarize this article for me In this article Summary A Microsoft 365 group or its calendar might not appear in Outlook, Outlook on the web, or the Groups hub even though the group exists. This issue can occur if the user isn\u0027t a member of the group, the group is hidden from.","descriptions":[{"content":"Microsoft 365 group doesn\u0027t appear in Outlook or Outlook on the web Summarize this article for me In this article Summary A Microsoft 365 group or its calendar might not appear in Outlook, Outlook on the web, or the Groups hub even though the group exists. This issue can occur if the user isn\u0027t a member of the group, the group is hidden from.","hitHighlights":[{"start":0,"length":68},{"start":123,"length":15},{"start":169,"length":8},{"start":179,"length":30}]}],"lastUpdatedDate":"2026-08-19T18:27:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Outlook"]},{"title":"Quarantined email messages in Microsoft 365 - Microsoft Defender for Office 365","url":"https://learn.microsoft.com/en-us/defender-office-365/quarantine-about","displayUrl":{"content":"/defender-office-365/quarantine-about","hitHighlights":[]},"description":"Quarantined email messages 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. 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 Microsoft.","descriptions":[{"content":"Quarantined email messages 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. 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 Microsoft.","hitHighlights":[]}],"lastUpdatedDate":"2026-08-10T17:41:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Defender","Microsoft Defender for Office 365"]}],"spellingCorrection":[],"scopeRemoved":false,"count":685,"nextLink":"https://learn.microsoft.com/api/Search?locale=en-us\u0026search=%E5%A6%82%E4%BD%95%E6%9B%B4%E6%96%B0outlook%E9%82%AE%E7%AE%B1%E8%B4%A6%E5%8F%B7%EF%BC%8C%E7%BD%91%E9%A1%B5%E7%89%88\u0026$skip=30","srcheng":"01","termHasSynonyms":false,"searchType":"semantic"}