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We are mainly responsible for general isues of Office for Mac.
According to your description, Excel cannot recover your deleted files, it is a powerful data processing tool.
If you are using Microsoft 365 Apps, and you have saved this file to OneDrive, then you can try to back up current files on OneDrive, and then restore your OneDrive.
Files Restore helps Microsoft 365 subscribers undo all the actions that occurred on both files and folders within the last 30 days.
Besides, if you have used Time Machine to back up the files on your Mac, then you can get back the deleted file.
(Please Note: Since the web site is not hosted by Microsoft, the link may changed without notice. Microsoft does not guarantee the accuracy of this information.)
Hope the information could be helpful.
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