A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
- First of all close your all opened Excel files.
- Go to this location: C:\Users*Your_User_Name_Here\AppData\Roaming\Microsoft\Excel*
- "Your_User_Name_Here" should your own user name of your PC.
- There you will see a file named: Excel15.xlb
- Now rename this file to this: Excel15.old
- And you are done