[MS-XLSX]: Excel (.xlsx) Extensions to the Office Open XML SpreadsheetML File Format https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e Specifies the Excel (.xlsx) Extensions to the Office Open XML SpreadsheetML File Format, which are extensions to the Office Open XML file formats as described in [ISO/IEC-29500-1]. The extensions are specified using conventions provided by the Office Open XML file formats as described in [ISO/IEC-29500-3]. Major Update for [MS-XLSX] (Version 25.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 25.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX].pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-240416.docx">DOCX</a></li></ul> Tue, 16 Apr 2024 MS-XLSX-20240416 Major Update for [MS-XLSX] (Version 24.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 24.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-240220.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-240220.docx">DOCX</a></li></ul> Tue, 20 Feb 2024 MS-XLSX-20240220 Minor Update for [MS-XLSX] (Version 23.4) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 23.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-230616.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-230616.docx">DOCX</a></li></ul> Fri, 16 Jun 2023 MS-XLSX-20230616 Minor Update for [MS-XLSX] (Version 23.3) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 23.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-221115.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-221115.docx">DOCX</a></li></ul> Tue, 15 Nov 2022 MS-XLSX-20221115 Minor Update for [MS-XLSX] (Version 23.2) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 23.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-220816.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-220816.docx">DOCX</a></li></ul> Tue, 16 Aug 2022 MS-XLSX-20220816 Minor Update for [MS-XLSX] (Version 23.1) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 23.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-220517.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-220517.docx">DOCX</a></li></ul> Tue, 17 May 2022 MS-XLSX-20220517 No Update for [MS-XLSX] (Version 23.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 23.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-220215.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-220215.docx">DOCX</a></li></ul> Tue, 15 Feb 2022 MS-XLSX-20220215 Major Update for [MS-XLSX] (Version 23.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 23.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-211116.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-211116.docx">DOCX</a></li></ul> Tue, 16 Nov 2021 MS-XLSX-20211116 Major Update for [MS-XLSX] (Version 22.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 22.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-210817.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-XLSX-20210817 Major Update for [MS-XLSX] (Version 21.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 21.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-210422.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-210422.docx">DOCX</a></li></ul> Thu, 22 Apr 2021 MS-XLSX-20210422 Major Update for [MS-XLSX] (Version 20.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 20.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-201015.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-201015.docx">DOCX</a></li></ul> Thu, 15 Oct 2020 MS-XLSX-20201015 Major Update for [MS-XLSX] (Version 19.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 19.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-200219.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-200219.docx">DOCX</a></li></ul> Wed, 19 Feb 2020 MS-XLSX-20200219 Major Update for [MS-XLSX] (Version 18.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 18.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-191119.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-191119.docx">DOCX</a></li></ul> Tue, 19 Nov 2019 MS-XLSX-20191119 Minor Update for [MS-XLSX] (Version 17.1) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 17.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-190319.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-190319.docx">DOCX</a></li></ul> Tue, 19 Mar 2019 MS-XLSX-20190319 Major Update for [MS-XLSX] (Version 17.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-190111.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-190111.docx">DOCX</a></li></ul> Fri, 11 Jan 2019 MS-XLSX-20190111 Major Update for [MS-XLSX] (Version 16.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-181211.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-181211.docx">DOCX</a></li></ul> Tue, 11 Dec 2018 MS-XLSX-20181211 Major Update for [MS-XLSX] (Version 15.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-181010.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-181010.docx">DOCX</a></li></ul> Wed, 10 Oct 2018 MS-XLSX-20181010 Major Update for [MS-XLSX] (Version 14.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-180828.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-XLSX-20180828 Major Update for [MS-XLSX] (Version 13.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-180801.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-180801.docx">DOCX</a></li></ul> Wed, 01 Aug 2018 MS-XLSX-20180801 Major Update for [MS-XLSX] (Version 12.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-180608.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-180608.docx">DOCX</a></li></ul> Fri, 08 Jun 2018 MS-XLSX-20180608 Major Update for [MS-XLSX] (Version 11.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-180509.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-180509.docx">DOCX</a></li></ul> Wed, 09 May 2018 MS-XLSX-20180509 Major Update for [MS-XLSX] (Version 10.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-180427.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-180427.docx">DOCX</a></li></ul> Fri, 27 Apr 2018 MS-XLSX-20180427 Major Update for [MS-XLSX] (Version 9.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-171212.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-171212.docx">DOCX</a></li></ul> Tue, 12 Dec 2017 MS-XLSX-20171212 No Update for [MS-XLSX] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-170620.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-170620.docx">DOCX</a></li></ul> Tue, 20 Jun 2017 MS-XLSX-20170620 Major Update for [MS-XLSX] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <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-XLSX/[MS-XLSX]-170118.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-170118.docx">DOCX</a></li></ul> Wed, 18 Jan 2017 MS-XLSX-20170118 No Update for [MS-XLSX] (Version 7.1) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 7.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-161114.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-161114.docx">DOCX</a></li></ul> Mon, 14 Nov 2016 MS-XLSX-20161114 Minor Update for [MS-XLSX] (Version 7.1) https://docs.microsoft.com/en-us/openspecs/office_standards/MS-XLSX/2c5dee00-eff2-4b22-92b6-0738acd4475e <b>Protocol Revision:</b> 7.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-160929.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-XLSX/[MS-XLSX]-160929.docx">DOCX</a></li></ul> Thu, 29 Sep 2016 MS-XLSX-20160929