[MS-OXNSPI]: Exchange Server Name Service Provider Interface (NSPI) Protocol https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 Specifies the Microsoft Exchange Server implementation of the Name Service Provider Interface (NSPI) Protocol, which is used by Messaging API (MAPI) clients to access the directory service. Major Update for [MS-OXNSPI] (Version 14.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI].pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-240820.docx">DOCX</a></li></ul> Tue, 20 Aug 2024 MS-OXNSPI-20240820 Minor Update for [MS-OXNSPI] (Version 13.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <b>Protocol Revision:</b> 13.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-220215.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-220215.docx">DOCX</a></li></ul> Tue, 15 Feb 2022 MS-OXNSPI-20220215 Major Update for [MS-OXNSPI] (Version 13.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-210817.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-OXNSPI-20210817 Major Update for [MS-OXNSPI] (Version 12.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-210422.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-210422.docx">DOCX</a></li></ul> Thu, 22 Apr 2021 MS-OXNSPI-20210422 Minor Update for [MS-OXNSPI] (Version 11.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <b>Protocol Revision:</b> 11.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-181211.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-181211.docx">DOCX</a></li></ul> Tue, 11 Dec 2018 MS-OXNSPI-20181211 Major Update for [MS-OXNSPI] (Version 11.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-181001.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-181001.docx">DOCX</a></li></ul> Mon, 01 Oct 2018 MS-OXNSPI-20181001 Major Update for [MS-OXNSPI] (Version 10.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-180724.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-OXNSPI-20180724 Minor Update for [MS-OXNSPI] (Version 9.1) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-161215.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-161215.docx">DOCX</a></li></ul> Thu, 15 Dec 2016 MS-OXNSPI-20161215 Major Update for [MS-OXNSPI] (Version 9.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-161017.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-161017.docx">DOCX</a></li></ul> Mon, 17 Oct 2016 MS-OXNSPI-20161017 No Update for [MS-OXNSPI] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-160914.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-OXNSPI-20160914 No Update for [MS-OXNSPI] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-OXNSPI/63662a26-c8fc-4493-a41a-fbcbb7e43136 <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-OXNSPI/[MS-OXNSPI]-160613.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-OXNSPI/[MS-OXNSPI]-160613.docx">DOCX</a></li></ul> Mon, 13 Jun 2016 MS-OXNSPI-20160613