Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello Barry,
You may try to repair Office 2013 installation then access the Office applications and check if that resolves the issue.
Refer to the article mentioned below on how to repair Office 2013:
http://office.microsoft.com/en-us/project-help/repair-or-remove-office-2010-HA010357402.aspx
If the issue still persists, then remove and re-install Office 2013 suite and verify the status.
Run the fixit available in the link below which would remove the Office traces automatically from the Computer.
http://support.microsoft.com/kb/2739501
Once done, based on the mode of purchase, refer to the article below on how to re-install Office 2013:
http://office.microsoft.com/en-ca/support/find-your-product-key-for-office-2013-HA102830243.aspx
For further queries, reply and we would be happy to assist.
Thank you.