Word documents keep opening in read-only mode for no apparent reason

Common causes for Word documents on a network drive opening read-only, even when permissions look correct, are:

1. The document is actually locked by another user or by Word itself
   • This happens if another user has the file open.
   • It can also happen if Word previously closed improperly and left behind an owner file.
   • Another possibility is that a hidden/background Winword.exe process still has the document open.
   For this case:
   1. Confirm no one else currently has the document open.
   2. Close all Word windows.
   3. Open Task Manager and end any remaining Winword.exe processes.
   4. In File Explorer, go to the same folder as the affected document.
   5. Look for the owner file that starts with ~$ and matches the document name, then delete it.
   Example: for Document.doc, the owner file would look like ~$cument.doc.
2. The file itself has the Read-only attribute set
   • Since only some files in the same folder are affected, this points to a file-level condition rather than a folder permission issue.
   • Right-click the affected file, select Properties, and if Read-only is checked, clear it and select OK.
3. The document is opening in Protected View or Viewing mode
   • Files from potentially unsafe locations can open in Protected View.
   • In Word, try switching the upper-right mode selector from Viewing or Reviewing to Editing.
   • If Word shows Enable Editing, select it for documents from a trusted source.
4. The document was set to always open read-only
   • In Word, open the file and go to File > Info > Protect Document.
   • If Always Open Read-Only is enabled, clear it.
5. The document has editing restrictions applied
   • Some restrictions are set by the document owner or the organization and cannot be removed locally.
   • If the file opens but still cannot be edited after the checks above, this is a likely cause.

Given that only certain files on the same network share are affected, the most likely first checks are:

• a leftover ~$ owner file,
• a background Winword.exe process,
• or the individual file’s Read-only attribute.

References:

• "The document is locked for editing by another user" error message when you try to open a document in Word | Microsoft Support
• Why did my file open read-only? | Microsoft Support
• Enable editing in your document | Microsoft Support
• [Windows