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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
I can open this file on my mackbook. But it doesn't open iMac. The file is saved on onedrive and I didn't move it.
macOS Ventura
I solved the issue after updating Excel to the latest version.
The name doesn' have non-ASCII.
I can't open it when I copied it to local drive or when I opened it directly from onedrive.
What version of macOS?
Does the file name contain non-ASCII characters?
Does it open if you copy it to a local folder?
What version of Excel is running on each machine?
Can you open the file in Excel online directly from One-drive?
Try saving a copy under a different name?
Is the file name in your Question 'XXX.xlsx' within single quotation marks ?
Excel cannot be open the file 'XXX.xlsx' because the file format or file extension is not valid
