A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
If that is the case, try opening in Safe mode.
https://support.office.com/en-us/article/Open-O...
Safe mode is a diagnostic step, not a way to run Excel.
If that helps, write back and we'll try to get to the bottom of the cause.
If opening in Safe mode doesn't help, I would recommend a repair.
https://support.office.com/en-us/article/Repair...
Try the quick method first. It is less comprehensive but much quicker than the online repair.