Below are some of the frequently known issues that our users face. To resolve any of the problems listed in the upper link, simply click on the recommended solution for the associated problem to get started. The link will take you directly to the solution in Microsoft Support and Recovery Assistant application.
In addition and with your permission, I recommend to provide more information.
You'll get a quicker and more accurate answer, and those who want to help don't have to invest time guessing the problem :).
I recommend: Always inform about your Excel version, operating system, storage medium/hard drive, OneDrive, Sharepoint, etc.).
If possible, add a file (without sensitive data) and use this file to describe your problem step by step, or add photos with the appropriate description.
Don't forget that not every Excel user has a clue about every job and what you see he can't see.
In this link you will find some more information about it: