I had to use Dism /online /Cleanup-Image /StartComponentCleanup /ResetBase to clear out 7 reclaimable packages.
Went from zero to seven with this update!
Not sure what to make of some of the comments above.
My copy of Office 2021 Pro Plus was a one-time purchase stand-alone application which does not
require internet access to work. I'll also add that it is the fastest office I've ever used.
I'm sure you have a backup plan for your D partition in case of drive failure.
All my system folders reside on a second drive that 2 OS's can access. They all get backed up to a third drive.