Hi Sourav,
Sorry for the inconvenience the problem caused for you.
You can try to repair a corrupted workbook, for the detailed steps, you can refer to this article:
- Click File > Open.
- Click the location and folder that contains the corrupted workbook.
- In the Open dialog box, select the corrupted workbook.
- Click the arrow next to the Open button, and then click Open and Repair.
- To recover as much of the workbook data as possible, pick Repair.
To help you better, could you please provide some information for me?
- The screenshot of the Excel version.
- Did this error happen on other Excel files or other computer?
- Could you please give me the whole error message on the Unexpected error window?
- Did this problem happen on files with embedded objects or macros?
Appreciate your cooperation in advance.
Best regards,
Jazlyn