To repair your corrupt file try steps:
- Close all MS excel files
- Open a new excel file
- On the File menu, click Open.
- In the Open dialog box, select the file you want to open, and click the arrow next to the Open button.
- Click Open and Repair, and then choose which method you want to use to recover your workbook.
- Excel will try repairing the file
or You can visit on below Link