By Matt Comment Closed
  1. Right-click the Start button, and choose Control Panel.
  2. Programs and Features, then right-click your Microsoft Office product, and choose Uninstall.

Or if there are multiple versions of office install for instance if it is a new computer and it has language packs for Office use the uninstall tool

https://aka.ms/diag_officeuninstall

 

Source:

https://support.office.com/en-gb/article/Uninstall-Office-from-a-PC-9dd49b83-264a-477a-8fcc-2fdf5dbf61d8?ui=en-US&rs=en-GB&ad=GB