Office 365 Unlicensed Product :
Sometimes it happens that even after a successful completion of Office 365/2019/2021, when you open MS Word, MS PowerPoint, MS Excel, Publisher, Outlook, OneNote, Infopath, or Lync, an error message pop up on your screen, “ Unlicensed Product,” which is associated with the activation error. The users usually tend to ignore this message, and otherwise some important functions will be lost.
If you are working in Office 365, you need to correct the issue within 30 days, whereas Office 2019 Home & Student permits 5 days for the activation.
Let us discuss some tips to remove the error.

Careful Installation:
Always avail installation help for any Office version, by mistake different irrelevant software copies have been installed, detect them and delete the ones which are not needed in overviewing the program.
Correct Login: Ensure that you have not used an Email which was earlier used in logging in the Microsoft Account.
Check for the Expiry date of your Version.
Ways to Correct the Error
1. Repairing Office 2019, or Office 365
- Go to the Start menu, open Control Panel.
- Select Programs, tap on Programs and Features.
- Put the cursor on Office 365, but don’t click, from the above taskbar, choose the Change option.
- A window will pop up, Select Quick Repair, if it doesn’t work try out with Online Repair option.
2. Reinstall Office 2019 or Office 365
Search out for a left arrow after you have opened any of the Office Products, then tap on the Office Account.
Now login to your Office Account by tapping on the Manage Account
Provide your relevant Email and password, then go to the Software, and tap on Install, a file will be downloaded, tap on it. It will initiate the reinstallation of Office 365.

Related Error codes :
Office 365 unlicensed
Unlicensed error
outlook unlicensed product cannot send email
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