Hi I G,
I’m Gunasekar and I will be happy to help you with your question, I am a Microsoft consumer like you.
I understand that you are having trouble with removing an application from the computer. Looks like you have tried the best possible solutions and it still didn't work. Let me share my knowledge on how to fix problems that block programs from being installed or removed.
- Click the link below and Download the troubleshooter.
- Click Download troubleshooter and click Select keep anyway in the browser.
- Run the Troubleshooter and select uninstall a program.
- Select Office 365 and click Uninstall.
If you experience the same issue, you can Boot the PC in safe mode and then remove the Office applications.
Hope these methods should resolve the issue. If the issue persists, you can reset the PC to factory settings by keeping your personal files.
- Click start and go to settings. Click System.
- Select recovery.
- Click reset the PC.
- Click Keep my files and hit Local re-installation.
This will remove all the applications and you can install your Office package successfully.
I hope this information helps. If you have any questions, please let me know and I’ll be glad to assist you further.
Best regards Gunasekar N