It's awful, but don't worry, Excel provides several ways to recover: automatic recovery, recent save, and restore of the old version. This is the procedure for restoring the old version:
1. Click on "File" in the top left corner > Go to "Information" > Find "Management Version" and you will be able to see all auto-saved Excel document versions and save date details.
2. According to the information saved in the version, select the version of the Excel file you need to restore, click the "Restore" button to restore this version of the Excel file.
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