Use a more widely known document format (.docx, .odt…) instead of .protondoc
I recently tried to edit a document offline with OnlyOffice from my Proton Drive folder (synced with my account), and to my surprise I found that the document wasn’t supported because its format was .protondoc !
Moreover, when I save a Word document as .docx on my computer and then edit it online, a second document is created in the .protondoc format, and again it can’t be edited with OnlyOffice because the format isn’t recognized !
Why doesn’t Proton use a more common format? Is this a constraint of end‑to‑end encryption?
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Erik
commented
.odt should be the default document format. I am not sure what the idea behind the .protondoc format was. Exporting to docx is a useful feature. The perfect solution would be the one that Microsoft Onedrive has (the user can chose default file format (DOCX or ODT) when creating new docucuments).