That Would Be Telling@a1ba @remixtures Oops! My and my friend's problem in editing with Open/LibreOffice a manual that was getting bigger and bigger as they are wont to do was exactly what you experienced.
It would save successfully but then you couldn't open that file. Thus why I called it a trap, and is entirely unforgivable. Now I only use it for simple one or two page letters and never save out raw text I want to pretty print out on paper.
Not sure which was the last version of MS Office I used, but it was on XP.....
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