"The file is corrupt and cannot be opened" error on office 2010 Excel while opening .xls files

I recently upgraded my office to 2010 from 2007 after that i am unable to open any .xls files created by previous version


no issue with the files because i can open it in 2003 sp3 and 2007 sp2 versions 


Question Info

Last updated August 13, 2019 Views 350,791 Applies to:

Try the following steps:


1. Open Excel 2010.
2. Click on File > Options.

3. Select Trust Center > Trust center settings.

4. Select Protected view.
5. Uncheck all the options under Protected View > OK.

6. Restart Excel 2010 and try to open Excel documents.




488 people were helped by this reply


Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.