https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c Specifies the PSOM Shared Object Messaging (PSOM) protocol, which is used to exchange messages between the protocol client and protocol server. This protocol is designed to facilitate communications for data collaboration and Web conferencing applications. https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <b>Protocol Revision:</b> 9.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM].pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-PSOM-20210817 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <b>Protocol Revision:</b> 8.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-190618.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-190618.docx">DOCX</a></li></ul> Tue, 18 Jun 2019 MS-PSOM-20190618 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <b>Protocol Revision:</b> 8.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-190319.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-190319.docx">DOCX</a></li></ul> Tue, 19 Mar 2019 MS-PSOM-20190319 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <b>Protocol Revision:</b> 7.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-180828.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-PSOM-20180828 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <b>Protocol Revision:</b> 6.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-180724.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-PSOM-20180724 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <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-PSOM/[MS-PSOM]-180427.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-180427.docx">DOCX</a></li></ul> Fri, 27 Apr 2018 MS-PSOM-20180427 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <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-PSOM/[MS-PSOM]-160914.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-PSOM-20160914 https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-PSOM/0b9a26ba-b92e-4a71-a1ea-205c5a0c250c <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-PSOM/[MS-PSOM]-160715.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-PSOM/[MS-PSOM]-160715.docx">DOCX</a></li></ul> Fri, 15 Jul 2016 MS-PSOM-20160715