For the longest time I used LibreOffice on Linux and Microsoft Office on Windows, but now I have dumped Microsoft Office for LibreOffice on Windows too.
My blog post explains why, but basically: fuck Microsoft and their shoving of Copilot down our throats. (I also rant about the current AI hype cycle, in case you're interested.)
https://www.insanityworks.org/randomtangent/2025/6/8/switching-mostly-to-libreoffice