Case 1: Excel file is made read-only by “Mark as Final”.
Now in this article, I will list several possible cases that make your workbook and worksheet read only and introduce how we can do to remove read only status from Excel file. So that you can remove or disable read only in excel file. But I think some options you have used to set excel workbook read only, would be able to remove this setting always. But read-only mode could be removed or disabled as you wish anytime when you want to edit excel file? Surely, read-only excel file could prevent accidental changes on it.