Category Archive: Spreadsheet

Official blog for Spreadsheet file formats.

Difference Between XLS and XLSX

XLS and XLSX extensions represent popular Excel file formats that were introduced by Microsoft as part of its Office suite over a period of time. XLS being the oldest and widely used file type is also known to be the …

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Excel File Formats: XLSX, XLSM, XLS, XLTX, XLTM

A file with XLSX, XLSM, XLS, XLTX or XLTM extension is a Microsoft Excel file that uses specific standard file format. You can show or display file extension on Windows OS from Folder Options. MS Excel lets …

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Spreadsheet File Formats at is your one stop for guidance about file formats. Its unique combination of file format wiki, news and support forums give you the opportunity to get knowledge about file types and engage in fruitful discussion with file format community.…
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