A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
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Go to Applications > Finder, then drag the Excel application to the trash to uninstall it from your Mac.
Then, click the link below to download and install the latest version of the Excel app on your Mac.
If you're still having issues, run a DISK Check utility scan on your Mac. (Repair a Mac storage device with Disk Utility)
https://support.apple.com/en-us/102611
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