{"results":[{"title":"Configure Size Limit for PST and OST Files In Outlook","url":"https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/data-files/configure-size-limit-outlook-data-files","displayUrl":{"content":"/microsoft-365-apps/outlook/data-files/configure-size-limit-outlook-data-files","hitHighlights":[]},"description":"Configure the size limit for both .pst and .ost files in Outlook Summarize this article for me In this article Original KB number: \u00A0 832925 Summary Microsoft Outlook 2016, Outlook 2013, Outlook 2010, Outlook 2007, and Outlook 2003 support American National Standards Institute (ANSI) and UNICODE personal folders (.pst) and offline folder (.ost).","descriptions":[{"content":"Configure the size limit for both .pst and .ost files in Outlook Summarize this article for me In this article Original KB number: \u00A0 832925 Summary Microsoft Outlook 2016, Outlook 2013, Outlook 2010, Outlook 2007, and Outlook 2003 support American National Standards Institute (ANSI) and UNICODE personal folders (.pst) and offline folder (.ost).","hitHighlights":[{"start":0,"length":39}]}],"lastUpdatedDate":"2026-09-11T14:34:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook"]},{"title":"Use network upload to import PST files","url":"https://learn.microsoft.com/en-us/purview/pst-import-network-upload","displayUrl":{"content":"/purview/pst-import-network-upload","hitHighlights":[{"start":9,"length":3}]},"description":"Use network upload to import your organization\u0027s PST files to Microsoft 365 Summarize this article for me In this article Microsoft Purview service description Note This article is for administrators. Are you trying to import PST files to your own mailbox. Use the following step-by-step instructions to bulk-import multiple PST files to Microsoft.","descriptions":[{"content":"Use network upload to import your organization\u0027s PST files to Microsoft 365 Summarize this article for me In this article Microsoft Purview service description Note This article is for administrators. Are you trying to import PST files to your own mailbox. 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You can.","descriptions":[{"content":"Learn about importing your organization\u0027s PST files Summarize this article for me In this article Note This article is for administrators.  ... email, contacts, and calendar from an Outlook .pst fileUse the Import service in the Microsoft Purview portal to quickly bulk-import PST files to Exchange Online mailboxes in your organization. You can.","hitHighlights":[{"start":41,"length":11},{"start":139,"length":5},{"start":181,"length":19},{"start":264,"length":23}]}],"lastUpdatedDate":"2026-06-11T22:36:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365","Microsoft Exchange Online","Microsoft Purview"]},{"title":"Error 0x8004010F when sending or receiving email - Outlook","url":"https://learn.microsoft.com/en-us/troubleshoot/outlook/synchronization/error-0x8004010f-when-sending-or-receiving-emails","displayUrl":{"content":"/troubleshoot/outlook/synchronization/error-0x8004010f-when-sending-or-receiving-emails","hitHighlights":[]},"description":"Error 0x8004010F when you try to send or receive email in Outlook 2010 or Outlook 2013 Summarize this article for me In this article Original KB number: \u00A0 2659085 Summary This issue is caused by the co... More information If you have several non default .pst files and need to include them in your Outlook profile, follow these steps: Start Outlook..","descriptions":[{"content":"Error 0x8004010F when you try to send or receive email in Outlook 2010 or Outlook 2013 Summarize this article for me In this article Original KB number: \u00A0 2659085 Summary This issue is caused by the co... More information If you have several non default .pst files and need to include them in your Outlook profile, follow these steps: Start Outlook..","hitHighlights":[]}],"lastUpdatedDate":"2025-09-11T02:02:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook"]},{"title":"How to repair personal folder file (.pst) - Outlook","url":"https://learn.microsoft.com/en-us/troubleshoot/outlook/data-files/how-to-repair-personal-folder-file","displayUrl":{"content":"/troubleshoot/outlook/data-files/how-to-repair-personal-folder-file","hitHighlights":[]},"description":"How to repair your Outlook personal folder file (.pst) Summarize this article for me In this article Original KB number: \u00A0 272227 Follow these steps to repair your Outlook personal folder file (.pst) by using Inbox Repair tool. Step 1 - Exit Outlook and start the Inbox Repair tool Automatically start the Inbox Repair tool Start the Inbox Repair.","descriptions":[{"content":"How to repair your Outlook personal folder file (.pst) Summarize this article for me In this article Original KB number: \u00A0 272227 Follow these steps to repair your Outlook personal folder file (.pst) by using Inbox Repair tool. Step 1 - Exit Outlook and start the Inbox Repair tool Automatically start the Inbox Repair tool Start the Inbox Repair.","hitHighlights":[{"start":236,"length":6},{"start":276,"length":20},{"start":318,"length":6}]}],"lastUpdatedDate":"2025-09-11T02:02:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook","Windows"]},{"title":"Procedures for mailbox exports to .pst files in Exchange Server","url":"https://learn.microsoft.com/en-us/exchange/recipients/mailbox-import-and-export/export-procedures","displayUrl":{"content":"/exchange/recipients/mailbox-import-and-export/export-procedures","hitHighlights":[]},"description":"Procedures for mailbox exports to .pst files in Exchange Server Summarize this article for me In this article APPLIES TO: 2016 2019 Subscription Edition Mailbox export requests use the Microsoft Exchange Mailbox Replication service (MRS) to export the contents of mailboxes to .pst files. For more information, see Mailbox imports and exports in.","descriptions":[{"content":"Procedures for mailbox exports to .pst files in Exchange Server Summarize this article for me In this article APPLIES TO: 2016 2019 Subscription Edition Mailbox export requests use the Microsoft Exchange Mailbox Replication service (MRS) to export the contents of mailboxes to .pst files. 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However, serious.","descriptions":[{"content":"Use a policy to control PST files in Outlook Summarize this article for me In this article In Microsoft Outlook, users can create PST files or add new items to existing PST files. This article describes how to control these behaviors. Important This section, method, or task contains steps that tell you how to modify the registry. However, serious.","hitHighlights":[{"start":15,"length":19},{"start":122,"length":18},{"start":206,"length":28}]}],"lastUpdatedDate":"2025-08-11T21:21:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook","Windows"]},{"title":"Troubleshoot common PST import issues - Microsoft 365","url":"https://learn.microsoft.com/en-us/troubleshoot/microsoft-365/purview/pst-import-service/issues-with-pst-import-job","displayUrl":{"content":"/troubleshoot/microsoft-365/purview/pst-import-service/issues-with-pst-import-job","hitHighlights":[{"start":36,"length":3},{"start":67,"length":3}]},"description":"Issues that affect PST import jobs Summarize this article for me In this article When you use the Import service in the Security \u0026 Compliance Center to import PST files to user mailboxes in your organization, the last step in the procedure is to start the import job that you create. When the import process runs, you might experience issues, such.","descriptions":[{"content":"Issues that affect PST import jobs Summarize this article for me In this article When you use the Import service in the Security \u0026 Compliance Center to import PST files to user mailboxes in your organization, the last step in the procedure is to start the import job that you create. When the import process runs, you might experience issues, such.","hitHighlights":[{"start":158,"length":5}]}],"lastUpdatedDate":"2025-09-11T15:12:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365"]},{"title":"Mailbox imports and exports in Exchange Server","url":"https://learn.microsoft.com/en-us/exchange/recipients/mailbox-import-and-export/mailbox-import-and-export","displayUrl":{"content":"/exchange/recipients/mailbox-import-and-export/mailbox-import-and-export","hitHighlights":[]},"description":"Mailbox imports and exports in Exchange Server Summarize this article for me In this article APPLIES TO: 2016 2019 Subscription Edition Exchange Server uses the Microsoft Exchange Mailbox Replication service (MRS) to import .pst files to mailboxes, and export mailboxes to .pst files. The advantages of using MRS instead of Outlook to import and.","descriptions":[{"content":"Mailbox imports and exports in Exchange Server Summarize this article for me In this article APPLIES TO: 2016 2019 Subscription Edition Exchange Server uses the Microsoft Exchange Mailbox Replication service (MRS) to import .pst files to mailboxes, and export mailboxes to .pst files. The advantages of using MRS instead of Outlook to import and.","hitHighlights":[{"start":223,"length":12},{"start":272,"length":6}]}],"lastUpdatedDate":"2025-04-30T11:33:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Exchange Server","Outlook"]},{"title":"Importing PST files FAQ","url":"https://learn.microsoft.com/en-us/purview/pst-import-faq","displayUrl":{"content":"/purview/pst-import-faq","hitHighlights":[{"start":9,"length":3}]},"description":"FAQ about importing PST files In this article This article is for administrators. Do you want to import PST files to your own mailbox. See Import email, contacts, and calendar from an Outlook .pst file This article answers frequently asked questions about importing PST files to Microsoft 365 mailboxes. For requirements, limits, and planning.","descriptions":[{"content":"FAQ about importing PST files In this article This article is for administrators. Do you want to import PST files to your own mailbox. See Import email, contacts, and calendar from an Outlook .pst file This article answers frequently asked questions about importing PST files to Microsoft 365 mailboxes. For requirements, limits, and planning.","hitHighlights":[{"start":9,"length":21},{"start":65,"length":16},{"start":191,"length":11},{"start":255,"length":21},{"start":278,"length":15}]}],"lastUpdatedDate":"2026-06-11T17:42:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Azure","Microsoft 365","Microsoft Purview"]},{"title":"Filter data when importing PST files","url":"https://learn.microsoft.com/en-us/purview/pst-import-filter-data","displayUrl":{"content":"/purview/pst-import-filter-data","hitHighlights":[{"start":9,"length":3}]},"description":"Filter data when importing PST files Summarize this article for me In this article Note This article explains how to filter PST data during import.  ...using this feature, create a PST import jobUse the new Intelligent Import feature in the Microsoft 365 Import service to filter the items in PST files that you import to the target mailboxes..","descriptions":[{"content":"Filter data when importing PST files Summarize this article for me In this article Note This article explains how to filter PST data during import.  ...using this feature, create a PST import jobUse the new Intelligent Import feature in the Microsoft 365 Import service to filter the items in PST files that you import to the target mailboxes..","hitHighlights":[{"start":0,"length":12},{"start":26,"length":5},{"start":116,"length":17},{"start":171,"length":25},{"start":218,"length":8},{"start":292,"length":5}]}],"lastUpdatedDate":"2026-06-11T17:42:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft 365"]},{"title":"[MS-PST]: PST Password Security","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/48468b1e-cc81-4e2b-82a7-9bf61adc948e","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/48468b1e-cc81-4e2b-82a7-9bf61adc948e","hitHighlights":[{"start":34,"length":3}]},"description":"2.4.... In practice, the PST password is just implemented at the UI level, meaning that the password is only required to gain access of the PST through the UI. Specifically, the CRC-32 hash of the password text is stored in the PidTagPstPassword property in the PC associated with NID_MESSAGE_STORE, and if the property exists and is nonzero,.","descriptions":[{"content":"2.4.... In practice, the PST password is just implemented at the UI level, meaning that the password is only required to gain access of the PST through the UI. Specifically, the CRC-32 hash of the password text is stored in the PidTagPstPassword property in the PC associated with NID_MESSAGE_STORE, and if the property exists and is nonzero,.","hitHighlights":[{"start":24,"length":14},{"start":177,"length":13},{"start":196,"length":10},{"start":227,"length":19}]}],"lastUpdatedDate":"2024-04-16T19:01:00+00:00","breadcrumbs":[],"category":"Documentation","products":[]},{"title":"[MS-PST]: Metadata and State of the PST File","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/3448abe4-34ee-4230-a18f-c7ca6dee4347","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/3448abe4-34ee-4230-a18f-c7ca6dee4347","hitHighlights":[{"start":34,"length":3}]},"description":"1.3.2.1.1 Metadata and State of the PST File Summarize this article for me In this article The metadata includes information such as version numbers, checksums, persistent counters, and namespace tables. Using this information, an implementation can determine the version and format of the PST file, which determines the layout of the subsequent.","descriptions":[{"content":"1.3.2.1.1 Metadata and State of the PST File Summarize this article for me In this article The metadata includes information such as version numbers, checksums, persistent counters, and namespace tables. Using this information, an implementation can determine the version and format of the PST file, which determines the layout of the subsequent.","hitHighlights":[{"start":9,"length":10},{"start":22,"length":7},{"start":35,"length":5},{"start":132,"length":50},{"start":185,"length":11},{"start":263,"length":37}]}],"lastUpdatedDate":"2024-04-16T19:01:00+00:00","breadcrumbs":[],"category":"Documentation","products":[]},{"title":"[MS-PST]: Introduction","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/ad1e6f1a-575d-47e7-be9c-9433247d496c","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/ad1e6f1a-575d-47e7-be9c-9433247d496c","hitHighlights":[{"start":34,"length":3}]},"description":"1 Introduction Summarize this article for me In this article The Outlook Personal Folders (.pst) File Format specifies the necessary technical information required to read and write the contents of a Personal Folders File (PST). 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The Outlook Personal Folders (.pst).","hitHighlights":[]}],"lastUpdatedDate":"2024-04-16T19:01:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Outlook"]},{"title":"Exchange Server: Export eDiscovery search results to a PST file","url":"https://learn.microsoft.com/en-us/exchange/policy-and-compliance/ediscovery/export-results-to-pst","displayUrl":{"content":"/exchange/policy-and-compliance/ediscovery/export-results-to-pst","hitHighlights":[{"start":61,"length":3}]},"description":"Export eDiscovery search results to a PST file Summarize this article for me In this article APPLIES TO: 2016 2019 Subscription Edition You can use the eDiscovery Export tool in the Exchange admin center (EAC) to export the results of an In-Place eDiscovery search to an Outlook Data File, which is also called a PST file. The computer you use to.","descriptions":[{"content":"Export eDiscovery search results to a PST file Summarize this article for me In this article APPLIES TO: 2016 2019 Subscription Edition You can use the eDiscovery Export tool in the Exchange admin center (EAC) to export the results of an In-Place eDiscovery search to an Outlook Data File, which is also called a PST file. The computer you use to.","hitHighlights":[{"start":37,"length":5}]}],"lastUpdatedDate":"2025-04-30T11:33:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Search"]},{"title":"[MS-PST]: Logical Architecture of a PST File","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/de4157d3-fc53-4aec-81be-d1659c8a2302","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/de4157d3-fc53-4aec-81be-d1659c8a2302","hitHighlights":[{"start":34,"length":3}]},"description":"1.3.1 Logical Architecture of a PST File Summarize this article for me In this article The PST file structures are logically arranged in three layers: the NDB (Node Database) layer, the LTP (Lists, Tables, and Properties) layer, and the Messaging layer.  ...illustrates the logical hierarchy of these layers,The PST file structures are logically.","descriptions":[{"content":"1.3.1 Logical Architecture of a PST File Summarize this article for me In this article The PST file structures are logically arranged in three layers: the NDB (Node Database) layer, the LTP (Lists, Tables, and Properties) layer, and the Messaging layer.  ...illustrates the logical hierarchy of these layers,The PST file structures are logically.","hitHighlights":[{"start":5,"length":22},{"start":273,"length":19},{"start":300,"length":9}]}],"lastUpdatedDate":"2024-04-16T19:01:00+00:00","breadcrumbs":[],"category":"Documentation","products":[]},{"title":"[MS-PST]: Index","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/33a38370-d25f-4ffa-8e5a-b267592d8364","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/33a38370-d25f-4ffa-8e5a-b267592d8364","hitHighlights":[{"start":34,"length":3}]},"description":"...Layer Folder objects \u2013 calculated properties Folder template table, implications of modifying \u2013 Messaging Layer Folder template tables \u2013 Messaging Layer Folders \u2013 Messaging layer Free Map (FMap) \u2013 PST file format overview Free Page Maps (FPMap) \u2013 PST file format overview Fundamental concepts \u2013 NDB Layer G Get operations, Behavior Descriptors.","descriptions":[{"content":"...Layer Folder objects \u2013 calculated properties Folder template table, implications of modifying \u2013 Messaging Layer Folder template tables \u2013 Messaging Layer Folders \u2013 Messaging layer Free Map (FMap) \u2013 PST file format overview Free Page Maps (FPMap) \u2013 PST file format overview Fundamental concepts \u2013 NDB Layer G Get operations, Behavior Descriptors.","hitHighlights":[{"start":199,"length":5},{"start":239,"length":9},{"start":249,"length":5}]}],"lastUpdatedDate":"2025-02-18T19:16:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Search","Microsoft Stream"]},{"title":"Export eDiscovery search results to a PST file: Exchange 2013 Help","url":"https://learn.microsoft.com/en-us/exchange/export-search-results-exchange-2013-help","displayUrl":{"content":"/exchange/export-search-results-exchange-2013-help","hitHighlights":[]},"description":"Export eDiscovery search results to a PST file in Exchange 2013 Summarize this article for me In this article Applies to: Exchange Server 2013 You can use the eDiscovery Export tool in the Exchange admin center (EAC) to export the results of an In-Place eDiscovery search to an Outlook Data File (a PST file). The computer you use to export search.","descriptions":[{"content":"Export eDiscovery search results to a PST file in Exchange 2013 Summarize this article for me In this article Applies to: Exchange Server 2013 You can use the eDiscovery Export tool in the Exchange admin center (EAC) to export the results of an In-Place eDiscovery search to an Outlook Data File (a PST file). The computer you use to export search.","hitHighlights":[{"start":37,"length":5}]}],"lastUpdatedDate":"2025-03-28T22:27:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Microsoft Search"]},{"title":"[MS-PST]: Message Store","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/aa0539bd-e7bf-4cec-8bde-0b87c2a86baf","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/aa0539bd-e7bf-4cec-8bde-0b87c2a86baf","hitHighlights":[{"start":34,"length":3}]},"description":"2.4.3 Message Store Summarize this article for me In this article At the PST level, the message store is the root of the PST, which is the rough equivalent of the top of a Mailbox. The message store contains the top-level PST settings and metadata that are required to access and manage the PST contents. At the NDB Layer, the message store is.","descriptions":[{"content":"2.4.3 Message Store Summarize this article for me In this article At the PST level, the message store is the root of the PST, which is the rough equivalent of the top of a Mailbox. The message store contains the top-level PST settings and metadata that are required to access and manage the PST contents. At the NDB Layer, the message store is.","hitHighlights":[{"start":95,"length":7},{"start":108,"length":9},{"start":120,"length":6},{"start":211,"length":24},{"start":238,"length":10},{"start":290,"length":5}]}],"lastUpdatedDate":"2024-04-16T19:01:00+00:00","breadcrumbs":[],"category":"Documentation","products":[]},{"title":"Use drive shipping to import PST files","url":"https://learn.microsoft.com/en-us/purview/pst-import-drive-shipping","displayUrl":{"content":"/purview/pst-import-drive-shipping","hitHighlights":[{"start":9,"length":3}]},"description":"Use drive shipping to import your organization\u0027s PST files Summarize this article for me In this article This article is for administrators. Are you trying to import PST files to your own mailbox. Use the Microsoft 365 Import service and drive shipping to bulk-import PST files to user mailboxes. Drive shipping means that you copy the PST files to.","descriptions":[{"content":"Use drive shipping to import your organization\u0027s PST files Summarize this article for me In this article This article is for administrators. Are you trying to import PST files to your own mailbox. Use the Microsoft 365 Import service and drive shipping to bulk-import PST files to user mailboxes. Drive shipping means that you copy the PST files to.","hitHighlights":[{"start":3,"length":7},{"start":21,"length":8},{"start":48,"length":5},{"start":237,"length":16},{"start":255,"length":23},{"start":297,"length":15}]}],"lastUpdatedDate":"2026-06-11T17:42:00+00:00","breadcrumbs":[],"category":"Documentation","products":["Azure","Azure Storage","Microsoft 365"]},{"title":"[MS-PST]: Strength of PST Password","url":"https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/a1b4b061-398d-4252-8593-1e42c0908ac6","displayUrl":{"content":"/openspecs/office_file_formats/ms-pst/a1b4b061-398d-4252-8593-1e42c0908ac6","hitHighlights":[{"start":34,"length":3}]},"description":"4.2 Strength of PST Password Summarize this article for me In this article The PST Password, which is stored as a property value in the message store, is a superficial mechanism that requires the client implementation to enforce the stored password.  ...es not provide any security benefit to preventing the PSTThe PST Password, which is stored as a.","descriptions":[{"content":"4.2 Strength of PST Password Summarize this article for me In this article The PST Password, which is stored as a property value in the message store, is a superficial mechanism that requires the client implementation to enforce the stored password.  ...es not provide any security benefit to preventing the PSTThe PST Password, which is stored as a.","hitHighlights":[{"start":3,"length":26},{"start":78,"length":15},{"start":307,"length":5},{"start":314,"length":15}]}],"lastUpdatedDate":"2024-04-16T19:01:00+00:00","breadcrumbs":[],"category":"Documentation","products":[]},{"title":"About the Sample Wrapped PST Store Provider","url":"https://learn.microsoft.com/en-us/office/client-developer/outlook/mapi/about-the-sample-wrapped-pst-store-provider","displayUrl":{"content":"/office/client-developer/outlook/mapi/about-the-sample-wrapped-pst-store-provider","hitHighlights":[{"start":63,"length":3}]},"description":"About the Sample Wrapped PST Store Provider Summarize this article for me In this article Applies to: Outlook 2013 | Outlook 2016 Overview of Message Store Providers Message store providers handle the storage and retrieval of messages and other information for the users of client applications. The Sample Wrapped PST Store Provider The Replication.","descriptions":[{"content":"About the Sample Wrapped PST Store Provider Summarize this article for me In this article Applies to: Outlook 2013 | Outlook 2016 Overview of Message Store Providers Message store providers handle the storage and retrieval of messages and other information for the users of client applications. 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While the nomenclature suggests a difference in.","descriptions":[{"content":"2.2.1.2 ANSI Versus Unicode Summarize this article for me In this article There are currently two versions of the PST file format: ANSI and Unicode. The ANSI PST file format is the legacy format and SHOULD NOT be used to create new PST files. The Unicode PST file format is the currently-used format. 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