A must-read for anyone who has forgotten their Excel password! This article explains in detail how to forcibly remove VBA passwords. In fact, you can easily remove it just by changing the file extension. By reading this article, you can escape read-only mode.

I have been experiencing a phenomenon around me where macros suddenly stop working after having been used normally until yesterday. The phenomenon is that I had set up a macro that is activated by double-clicking on a specific cell, but it no longer responds when double-clicked. I went to "Develop..." to check the contents of the macro.