I am frequently, but intermittently getting read-only mode in Word 2013:
This happens frequently, even on new documents created the same day. BUT ... it does not always happen. Sometimes it will open the file w/o problem. Often, if I click 'No' on the above dialog, modify the file and save it, then go to re-open it, it will show this message again, even though I just modified and re-saved it!
I've checked permissions on the file and they appear OK.
Also note that if I open the document by clicking on in in Windows Explorer it open without this message. It also appears to open OK with 'Word > File > Computer'. It's apparently just when I use 'File > Recent Documents' that I get this message.
I know this problem is all over the Internet and is a know issue. I've tried several things so far that haven't worked: Turn off preview pane; disable add-ins; un-check previous Word versions in the Trust Center. None of this has worked.
Does anyone know how to actually make this message go away?
Further info ... Also tried a "Repair" on Office 2013, and File > Options > uncheck "Open e-mail attachments and other uneditable files in reading view" -- these didn't work either.