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For the most part though I now prefer to just use Office online, which finally supports opening encrypted documents - which was the biggest reason why I was using LO/OO in the first place. Since then, I've been careful to use OO only to view MSO files, or edit simple files which didn't employ complex formatting or didn't require further editing.
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I decided not to fix my other docs until someone complains about it. Attempting to fix and recreate all the elements would've taken so long that I had to recreate the entire doc in MSO.
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I created and submitted a bunch of docx's from this template in OO - thought it was all good, until one day when I opened one of my previous documents in MSO and was shocked to find out that the radio buttons (and some other form elements) were all converted to non-editable images. It's not a very complex document mind you, just a form-looking form. One such problem I noticed was with one of our docx templates which contained a form with some radio buttons.
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There are some issues in the conversion/saving process that you may not notice until you view or edit that document back in MSO, at which point it may be too late to fix. OnlyOffice is VERY good with formatting compatibility
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