[MS-PST]: Outlook Personal Folders (.pst) File Format https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 Specifies the Outlook Personal Folders File Format, which provides the necessary technical information required to read and write the contents of a Personal Folders File. Each Personal Folders File represents a Message store that contains an arbitrary hierarchy of Folder objects, which contains Message objects, which can contain Attachment objects. Information about Folder objects, Message objects, and Attachment objects are stored in properties, which collectively contain all of the information about the particular item. Major Update for [MS-PST] (Version 10.0) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 10.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST].pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-240416.docx">DOCX</a></li></ul> Tue, 16 Apr 2024 MS-PST-20240416 Minor Update for [MS-PST] (Version 9.3) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 9.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-221115.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-221115.docx">DOCX</a></li></ul> Tue, 15 Nov 2022 MS-PST-20221115 Minor Update for [MS-PST] (Version 9.2) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 9.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-220215.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-220215.docx">DOCX</a></li></ul> Tue, 15 Feb 2022 MS-PST-20220215 Minor Update for [MS-PST] (Version 9.1) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 9.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-211116.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-211116.docx">DOCX</a></li></ul> Tue, 16 Nov 2021 MS-PST-20211116 Major Update for [MS-PST] (Version 9.0) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 9.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-210817.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-PST-20210817 Major Update for [MS-PST] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 8.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-210422.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-210422.docx">DOCX</a></li></ul> Thu, 22 Apr 2021 MS-PST-20210422 Minor Update for [MS-PST] (Version 7.6) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.6<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-210216.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-210216.docx">DOCX</a></li></ul> Tue, 16 Feb 2021 MS-PST-20210216 Minor Update for [MS-PST] (Version 7.5) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.5<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-201117.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-201117.docx">DOCX</a></li></ul> Tue, 17 Nov 2020 MS-PST-20201117 Minor Update for [MS-PST] (Version 7.4) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-200818.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-200818.docx">DOCX</a></li></ul> Tue, 18 Aug 2020 MS-PST-20200818 Minor Update for [MS-PST] (Version 7.3) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-200519.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-200519.docx">DOCX</a></li></ul> Tue, 19 May 2020 MS-PST-20200519 Minor Update for [MS-PST] (Version 7.2) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-190924.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-190924.docx">DOCX</a></li></ul> Tue, 24 Sep 2019 MS-PST-20190924 Minor Update for [MS-PST] (Version 7.1) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-190319.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-190319.docx">DOCX</a></li></ul> Tue, 19 Mar 2019 MS-PST-20190319 Major Update for [MS-PST] (Version 7.0) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 7.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-180828.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-PST-20180828 Major Update for [MS-PST] (Version 6.0) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 6.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-180427.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-180427.docx">DOCX</a></li></ul> Fri, 27 Apr 2018 MS-PST-20180427 No Update for [MS-PST] (Version 5.4) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-171212.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-171212.docx">DOCX</a></li></ul> Tue, 12 Dec 2017 MS-PST-20171212 Minor Update for [MS-PST] (Version 5.4) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-170919.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-170919.docx">DOCX</a></li></ul> Tue, 19 Sep 2017 MS-PST-20170919 Minor Update for [MS-PST] (Version 5.3) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 5.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-170509.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-170509.docx">DOCX</a></li></ul> Tue, 09 May 2017 MS-PST-20170509 Minor Update for [MS-PST] (Version 5.2) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 5.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-160914.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-PST-20160914 Minor Update for [MS-PST] (Version 5.1) https://docs.microsoft.com/en-us/openspecs/office_file_formats/MS-PST/141923d5-15ab-4ef1-a524-6dce75aae546 <b>Protocol Revision:</b> 5.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-160715.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-PST/[MS-PST]-160715.docx">DOCX</a></li></ul> Fri, 15 Jul 2016 MS-PST-20160715