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XLSM file

This page contains information on the XLSM file extension (Microsoft Excel Spreadsheet file)

File extension.XLSM
CategoryDocument File
DescriptionXLSM is an advanced version of XLS format, a Macro-enabled MS Excel file. Just like XML files, XLSM files use a combination of XML and ZIP compression algorithms, which reduce file size significantly and thus facilitate storage and sharing. Unlike its predecessor, the XLSM format features a macro a Visual Basic programming code. Therefore, every time you try to open an XLSM file, there will be a warning about a potential threat. Please, do not open XLSM files received via email from unfamiliar sources. These files are compatible with Windows 7/8/Vista/XP.
Associated programsMicrosoft Excel
Microsoft Excel Viewer
OpenOffice
Developed byMicrosoft
MIME typeapplication/vnd.ms-excel
Useful links

Convert XLSM files

Using CoolUtils Online XLSM Converter it is possible to convert XLSM files to a variety of other formats:

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