justesen:
May be this link will help you? https://social.technet.microsoft.com/Forums/office/en-US/cac22d27-34d6-4d38-9183-18fbb0a062df/how-to-repair-corrupt-ms-excel-2003-xls-file?forum=excel
MarkusHakala:
Thank you all for your advice! The issue has been resolved.
edwards142:
You can recover your lost/corrupted Excel file data with some manual fixes. To grab knowledge about the manual fixes which you can try to recover corrupted Excel file.
Here are the fixes which you can try:
1: Use Open and Repair Tool 2: Restore corrupted Excel file from TMP file 3: Restore From File Recovery 4: Revert Workbook to last Saved Version 5: Disable Automatic Calculation
There are many more fixes like this….so just go through it and try them. source: how to recover corrupted Excel file