Data loss ONLYOFFICE in Cryptomator

Hello,
so I had a .docx File opened up in ONLYOFFICE, which was saved in my Cryptomator vault. The file was saved but still open in the app. Over night my Mac restarted to update and when I opened the file again today it was completely empty. Is there any way to recover the content of the document?
I’m thankful for every answer!

Excuse me stupid question, but are you sure that you mounted your vault before opening ONLYOFFICE?

I think ONLYOFFICE restarted automatically after my laptop updated and I mounted my vault again, when I noticed that my laptop had restarted. Could trying to open the file, without the vault being mounted, have corrupted the file. I don’t exactly remember whether I did that, but just in case.

You may try close app, mount vault, open app. If not, i am sorry.

I could fix the issue. The solution was to install Microsoft Word and follow these steps:

  1. On the Word menu, select Preferences.
  2. Under Authoring and Proofing Tools, select General !
  3. Make sure that the Confirm file format conversion at Open check box is selected, and then close the General dialog box.
  4. Select File > Open.
  5. On the Open menu towards the bottom right select Recover Text.
  6. Open the document.