[shaftway]

Of the recent places I've worked, both use it. Block was at ~14,000 employees, but I think they're currently at ~12,500. My current company uses it, and we're ~2,000.

[hawaiianbrah]

My ~3000 person company (a subsidiary of Microsoft!) even uses Google workspace

[scarface_74]

Hell Amazon uses Microsoft Office internally and is pre-installed on all corporate computers and Outlook is the standard

Amazon is the second largest employer in the US.