This link is in French but as a summary: technical report shows that M365 Word and PPT contents leak to US servers (augloop.office.com) as soon as you open a document on a local installation of Powerpoint or Word, unbeknownst to users.
This is potentially huge!
i remember predicting this in “privacy” communities a long time ago and all i got was seething mouths and gnashing teeth from “privacy” advocates for some reason defending Microsoft?