<?xml version="1.0" encoding="utf-8"?> <rss version="2.0"> <channel> <title>[MS-ASHTTP]: Exchange ActiveSync: HTTP Protocol</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description>Specifies the Exchange ActiveSync: HTTP Protocol, which enables a client device to synchronize data with the data that is stored on the server.</description> <item> <title>Major Update for [MS-ASHTTP] (Version 23.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 23.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP].pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-250520.docx">DOCX</a></li></ul></description> <pubDate>Tue, 20 May 2025</pubDate> <guid>MS-ASHTTP-20250520</guid> </item> <item> <title>Minor Update for [MS-ASHTTP] (Version 22.1)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 22.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-240521.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-240521.docx">DOCX</a></li></ul></description> <pubDate>Tue, 21 May 2024</pubDate> <guid>MS-ASHTTP-20240521</guid> </item> <item> <title>Major Update for [MS-ASHTTP] (Version 22.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 22.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-220429.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-220429.docx">DOCX</a></li></ul></description> <pubDate>Fri, 29 Apr 2022</pubDate> <guid>MS-ASHTTP-20220429</guid> </item> <item> <title>Minor Update for [MS-ASHTTP] (Version 21.1)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 21.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-181211.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-181211.docx">DOCX</a></li></ul></description> <pubDate>Tue, 11 Dec 2018</pubDate> <guid>MS-ASHTTP-20181211</guid> </item> <item> <title>Major Update for [MS-ASHTTP] (Version 21.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 21.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-181001.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-181001.docx">DOCX</a></li></ul></description> <pubDate>Mon, 01 Oct 2018</pubDate> <guid>MS-ASHTTP-20181001</guid> </item> <item> <title>Major Update for [MS-ASHTTP] (Version 20.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 20.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-180724.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-180724.docx">DOCX</a></li></ul></description> <pubDate>Tue, 24 Jul 2018</pubDate> <guid>MS-ASHTTP-20180724</guid> </item> <item> <title>Major Update for [MS-ASHTTP] (Version 19.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 19.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-170919.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-170919.docx">DOCX</a></li></ul></description> <pubDate>Tue, 19 Sep 2017</pubDate> <guid>MS-ASHTTP-20170919</guid> </item> <item> <title>Major Update for [MS-ASHTTP] (Version 18.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 18.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-170228.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-170228.docx">DOCX</a></li></ul></description> <pubDate>Tue, 28 Feb 2017</pubDate> <guid>MS-ASHTTP-20170228</guid> </item> <item> <title>Major Update for [MS-ASHTTP] (Version 17.0)</title> <link>https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/MS-ASHTTP/4cbf28dc-2876-41c6-9d87-ba9db86cd40d</link> <description><b>Protocol Revision:</b> 17.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-160609.pdf">PDF</a></li><li><a href="https://msopenspecs.microsoft.com/files/MS-ASHTTP/[MS-ASHTTP]-160609.docx">DOCX</a></li></ul></description> <pubDate>Thu, 09 Jun 2016</pubDate> <guid>MS-ASHTTP-20160609</guid> </item> 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