This will also work if read-only is recommended when opening an Excel document, so keep reading. OK, so the first thing you must do here is, click on File, then Save As.

How to Disable Read-Only in Excel. Although most Excel documents are saved so that they can be edited by anyone who opens the document, others may be saved as "read-only" so that they cannot be ...

How to recover a saved Excel file with unsaved work. If Excel closes before you've had a chance to save the most recent changes to your file — but the workbook has already been saved at least ...

For instance, if you do not want to allow any changes to the workbook cells, click "Read-Only" next to the "Editing" section. Click "OK" to save the settings. Click "Save" in the Excel main window ...