This is a simple fix to repair a licensed copy of Microsoft Office 2013 that keeps appearing as an unlicensed copy. This generally occurs with subscription licensing through Office 365.
Make sure all Office programs are closed.
This will ensure the script runs properly.
Open the Command Prompt as Administrator
Click Start and in the search field type “Command” and right click the Command Prompt to Run as Administrator.
Navigate to the Office Installation folder %ProgramFiles%Microsoft OfficeOffice15
Depending on whether the install is 32bit or 64bit will determine its location.
Run “cscript ospp.vbs /act”.
The output should end with “Product Activation Successful”.
The ospp.vbs script has many other switches to check the status of the Office install. Please refer to the reference script for more information.
Pantelis Apostolidis is a Solutions Architect professional at Office Line SA and a recognized Microsoft Azure MVP. For the last 10 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.