Can't open .xlsx file that was an email attachment

GREGG T VOOS 20 Reputation points
2026-06-30T02:13:15.86+00:00
Microsoft 365 and Office | Excel | For home | Windows
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Ferdinand Nanalig 31,150 Reputation points Independent Advisor
2026-06-30T05:49:15.0766667+00:00

Hi! Let me help you.

Are you trying to open a SharePoint Excel file on your personal computer?

The message "You can't access this item. You don't have permission to access this item." indicates that the file is likely opening from a cloud location rather than as a regular email attachment.

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