@JohnCTing@prestigematt@DWilliamsimagin@MSFT365Status Correct, that command line will 'roll-back' to 16.0.13901.20462 release. It may be good practice to go into MS office > file > account > updates and 'disable' updates so it does not re-apply until the fix is issued.
@DWilliamsimagin@MSFT365Status Yes, but these are POP accounts, not hosted exchange so OWA isn't an option :( Webmail for the pop accounts is a work-around for now.