If you wish to edit or make changes to the Excel file, you can disable or remove Read-only attribute by following any one of these methods.

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 ...

If you want to prohibit edits to the Excel file on the network, Excel includes "Read-Only" protection security in the workbook's settings.

Researchers from Mimecast reported this week that attackers are hiding malicious payloads in Excel files sent by e-mail by using a standard Excel feature. It turns out that automatic encryption of ...