— It seems like there may be an issue with the Excel file or how the program is...

— This may have multiple causes like large files, spending time on validation...

— If you have issues opening the file, navigate to Start > Control Panel >...

— Open the Excel application, go to Options > Advanced > General > Clear...

— If the password is known, Recovery for Excel application has the ability to...

— The issue you are facing might be related to the compatibility or settings of...