A QuickBooks file that's set to read-only will open in QuickBooks but you won't be able to edit it. Often files appear as read-only because of the type of media they are stored on.

Read-only Files Open Windows Explorer and navigate to the file you want to edit. Right-click the file name and select "Properties." ...

Do all your files and folders open in Read-only mode on Windows 11/10? Some Windows users have reported that all their files and folders are marked as Read-only. Whenever they open a file or ...

As it turns out, Word can open many kinds of older Word documents—but only if you make a few changes. (Out of the box, Word refuses to open document types that could contain viruses.) ...