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Hi Gloria Fierro,
This usually indicates that Windows, OneDrive, or Excel doesn’t currently recognize your account as having permission to open or edit the file. It can also happen if the file was shared to a different Microsoft account, the file owner or permissions are incorrect, or the workbook is opening in a restricted or locked state.
Steps to try
- Copy the file to your Desktop and try opening the copy from there.
- Right‑click the file > Properties and check for an Unblock option. If it’s present, enable it and click Apply.
- Right‑click the file > Properties > Security and confirm your Windows account has at least Read permission.
- If your account isn’t listed, select Advanced > Change Owner and set it to your Windows account (only if this is your personal file).
- In Excel, go to File > Open > Browse, select the workbook, click the arrow next to Open, then choose Open and Repair.
- If the file is stored in OneDrive, make sure Excel and OneDrive are signed in with the same Microsoft account that owns the file or was explicitly given access.
- If the file shows as
Read‑onlyorLockedfor editing, check the OneDrive sync status column for any warning icons (such as a red X). - Test in Safe Mode: press
Windows + R, typeexcel /safe, and try opening the file.- If it opens there, an add‑in is likely interfering.
- If needed, run Quick Repair for Microsoft 365.
To help narrow this down further, please reply with:
- The exact last line of the error message (in quotes)
- Where the file is stored (OneDrive / Desktop / Documents / external drive)
- Whether it opens in Excel for the web
That should help pinpoint whether this is a permissions, sync, or Excel‑side issue.
Please let me know if this proves useful to you, or if you would like further assistance.
I'm looking forward to your reply.
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