[MS-SPO]: SharePoint Protocols Overview https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 Describes the SharePoint Products and Technologies Protocols, which are the protocols implemented by Microsoft SharePoint Products and Technologies for internal communication as well as communication between client and server applications. Where appropriate, this overview describes the relationships between protocols and provides example scenarios to show how they are used. Minor Update for [MS-SPO] (Version 5.1) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 5.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO].pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-221115.docx">DOCX</a></li></ul> Tue, 15 Nov 2022 MS-SPO-20221115 Major Update for [MS-SPO] (Version 5.0) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 5.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-211005.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-211005.docx">DOCX</a></li></ul> Tue, 05 Oct 2021 MS-SPO-20211005 Major Update for [MS-SPO] (Version 4.0) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 4.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-210720.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-210720.docx">DOCX</a></li></ul> Tue, 20 Jul 2021 MS-SPO-20210720 No Update for [MS-SPO] (Version 3.0) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 3.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-190618.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-190618.docx">DOCX</a></li></ul> Tue, 18 Jun 2019 MS-SPO-20190618 No Update for [MS-SPO] (Version 3.0) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 3.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-190319.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-190319.docx">DOCX</a></li></ul> Tue, 19 Mar 2019 MS-SPO-20190319 Major Update for [MS-SPO] (Version 3.0) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 3.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-181001.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-181001.docx">DOCX</a></li></ul> Mon, 01 Oct 2018 MS-SPO-20181001 Major Update for [MS-SPO] (Version 2.0) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 2.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-180724.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-SPO-20180724 No Update for [MS-SPO] (Version 1.3) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 1.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-160914.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-SPO-20160914 No Update for [MS-SPO] (Version 1.3) https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-SPO/a9173bd4-2327-41ac-8ecb-dc20e0ab7d92 <b>Protocol Revision:</b> 1.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-160715.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-SPO/[MS-SPO]-160715.docx">DOCX</a></li></ul> Fri, 15 Jul 2016 MS-SPO-20160715