Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi,
Thank you for posting your query in Microsoft Office Community.
I understand your concern and will assist you to resolve this issue.
This issue may occur, if the Office installation is corrupted. Let's try the following methods and verify the result:
Method 1
Repair the Office suite following instructions mentioned in the article below and see if it helps:
http://office.microsoft.com/en-us/excel-help/repair-office-programs-HA010357402.aspx
Method 2 ****
If issue still persists, run 'Fix it' from the following article to remove any remains of Office installation and then try re-installing it and verify the result:
http://support.microsoft.com/kb/2739501
Note: Save the ‘Fix it’ before running it if you’re working on a 64 bit Windows.
If you face any issues while re-installing the Office suite, you may refer to the following KB article which discusses about common Office installation issues and see if it helps:
http://support.microsoft.com/kb/2822317
Hope the above information helps. Please let me know to result and I'll be happy to help you further.
Thank you.