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.xlsm file: how to open it on Windows

14 Windows apps register the .xlsm extension. Install one of them to open the file with a double-click.

About the format

Format
Excel spreadsheet
MIME type
application/vnd.ms-excel.sheet.macroEnabled.12
PRONOM identifier
fmt/445

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

Related guide: Change the default app for a file type in Windows