https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 Specifies the HTTP Windows SharePoint Services Headers Protocol, which extends the Hypertext Transfer Protocol (HTTP) mechanisms to include new headers and messages that enable previously undefined behaviors, such as authenticating client connections, communicating error conditions, sending complex data, and interacting with information rights management systems, antivirus systems, and crawlers. https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 16.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP].pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-240416.docx">DOCX</a></li></ul> Tue, 16 Apr 2024 MS-WSSHP-20240416 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 15.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-230221.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-230221.docx">DOCX</a></li></ul> Tue, 21 Feb 2023 MS-WSSHP-20230221 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 15.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-211005.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-211005.docx">DOCX</a></li></ul> Tue, 05 Oct 2021 MS-WSSHP-20211005 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 15.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210817.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-WSSHP-20210817 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 14.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210720.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210720.docx">DOCX</a></li></ul> Tue, 20 Jul 2021 MS-WSSHP-20210720 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 13.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210625.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210625.docx">DOCX</a></li></ul> Fri, 25 Jun 2021 MS-WSSHP-20210625 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 12.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210422.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-210422.docx">DOCX</a></li></ul> Thu, 22 Apr 2021 MS-WSSHP-20210422 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <b>Protocol Revision:</b> 11.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-181001.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-181001.docx">DOCX</a></li></ul> Mon, 01 Oct 2018 MS-WSSHP-20181001 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <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-WSSHP/[MS-WSSHP]-180724.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-WSSHP-20180724 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <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-WSSHP/[MS-WSSHP]-160914.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-WSSHP-20160914 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <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-WSSHP/[MS-WSSHP]-160715.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-WSSHP/[MS-WSSHP]-160715.docx">DOCX</a></li></ul> Fri, 15 Jul 2016 MS-WSSHP-20160715 https://docs.microsoft.com/en-us/openspecs/sharepoint_protocols/MS-WSSHP/b371fcc5-815c-46a7-a504-9e240d157419 <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-WSSHP/[MS-WSSHP]-160414.pdf">PDF</a></li></ul> Thu, 14 Apr 2016 MS-WSSHP-20160414