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Office Open XML (OOXML) format was introduced with Microsoft Office 2007 and became the default format of Microsoft Excel ever since. Excel-related file extensions of this format include:.xlsx – Excel workbook.xlsm – Excel macro-enabled workbook; same as xlsx but may contain macros and scripts.xltx – Excel template
In a test with applications current in April 2007, XML-based office documents were slower to load than binary formats. [5] To enhance performance, Office Open XML uses very short element names for common elements and spreadsheets save dates as index numbers (starting from 1900 or from 1904). [ 6 ]
Excel 2007 formats Format Extension Description Excel Workbook .xlsx: The default Excel 2007 and later workbook format. In reality, a ZIP compressed archive with a directory structure of XML text documents. Functions as the primary replacement for the former binary .xls format, although it does not support Excel macros for security reasons.
Besides differences in the schema, there are several other differences between the earlier Office XML schema formats and Office Open XML. Whereas the data in Office Open XML documents is stored in multiple parts and compressed in a ZIP file conforming to the Open Packaging Conventions, Microsoft Office XML formats are stored as plain single monolithic XML files (making them quite large ...
Office Open XML (also informally known as OOXML) [5] is a zipped, XML-based file format developed by Microsoft for representing spreadsheets, charts, presentations and word processing documents.
Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) XLSM: Microsoft Excel 2007 Macro-Enabled Workbook (Spreadsheets) Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) XLSX [30] Office Open XML Workbook (Spreadsheets) Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) XM: FastTracker 2 extended module
SoftMaker Office 2016 and 2012, an office suite for Windows, Linux, and Google Android supports .docx, .xlsx, and .pptx in its word processor, spreadsheet and presentation-graphics software respectively. [28] SoftMaker Office 2018 uses Office Open XML as its default file format. The online Thinkfree Office supports Office Open XML word ...
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