Whatever reason you have to remove Office 365, you can find the proper uninstallation processes below. In some cases, removing the software and reinstalling the latest version can fix bugs and other problems. It may be that Word keeps crashing every time you use it. Although you may use Office 365 often, you might have no clue how to remove it from your Mac. Note: If Quick Repair does not fix this issue, you can try running the Online Repair as outlined above.Microsoft Office apps are vital for work, study, and everyday life.After the repair is finished, please restart the PC try the sync again.Select Online Repair and Continue then follow the prompts.(Selection also say Microsoft Office 365). WARNING: An Online Repair does an uninstall then a reinstall of Office, if something goes wrong in this process, you may need to reinstall Office manually which may require a product key Click Install and follow any prompts provided by the repair tool.Select the Reinstall or Repair button, click Next.Open Control Panel (Start>Settings>Control Panel).Click Continue, and then Start Diagnostics.On the Help menu, click Office Diagnostics.

After the repair is finished, please try the sync again.

Select Repair, Quick Repair and Continue then follow the prompts.Click Change (may be listed as Modify).(Selection also say Microsoft Office 365 or Microsoft 365).

Open up the Control Panel on your PC (and show All Control Panel items, if necessary) and click on Programs, then Programs and Features.

Uninstall outlook and reinstall