True, I had a large contract recently with this issue, but it worked out in the end.

The problem is that we thought "let's switch to the online MS Word editor", which then proceeds to delete your text as you write [1]. Bare in mind that my company pays an Office subscription per employee for that crap.

[1] https://www.reddit.com/r/Office365/comments/11be6wd/firefox_...

[2] https://answers.microsoft.com/en-us/msoffice/forum/all/how-c...