[MS-OXPROTO]: Exchange Server Protocols System Overview https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 Provides information about the protocols that are included in the Exchange Server protocols documentation set and the relationships between those protocols. Major Update for [MS-OXPROTO] (Version 17.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 17.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO].pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-240820.docx">DOCX</a></li></ul> Tue, 20 Aug 2024 MS-OXPROTO-20240820 No Update for [MS-OXPROTO] (Version 16.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 16.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-210817.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-OXPROTO-20210817 No Update for [MS-OXPROTO] (Version 16.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 16.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-210422.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-210422.docx">DOCX</a></li></ul> Thu, 22 Apr 2021 MS-OXPROTO-20210422 No Update for [MS-OXPROTO] (Version 16.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 16.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-190316.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-190316.docx">DOCX</a></li></ul> Sat, 16 Mar 2019 MS-OXPROTO-20190316 No Update for [MS-OXPROTO] (Version 16.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 16.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-190315.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-190315.docx">DOCX</a></li></ul> Fri, 15 Mar 2019 MS-OXPROTO-20190315 Minor Update for [MS-OXPROTO] (Version 16.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 16.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-181211.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-181211.docx">DOCX</a></li></ul> Tue, 11 Dec 2018 MS-OXPROTO-20181211 Major Update for [MS-OXPROTO] (Version 16.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <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-OXPROTO/[MS-OXPROTO]-181001.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-181001.docx">DOCX</a></li></ul> Mon, 01 Oct 2018 MS-OXPROTO-20181001 Major Update for [MS-OXPROTO] (Version 15.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <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-OXPROTO/[MS-OXPROTO]-180724.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-OXPROTO-20180724 No Update for [MS-OXPROTO] (Version 14.2) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 14.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-160914.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-OXPROTO-20160914 Minor Update for [MS-OXPROTO] (Version 14.2) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXPROTO/734ab967-e43e-425b-abe1-974af56c0283 <b>Protocol Revision:</b> 14.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-160613.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXPROTO/[MS-OXPROTO]-160613.docx">DOCX</a></li></ul> Mon, 13 Jun 2016 MS-OXPROTO-20160613