You can comment out entire blocks of code to temporarily prevent their execution without deleting them. This is especially useful for lines such as debugging outputs (e.g., MsgBox, Debug.Print) that are no longer needed in the final version of the program but that you might want to keep for reference or later use.
In the VBA development environment, you can easily comment a block of code by using the “Block Comment” button located in the Edit toolbar. This action automatically converts all selected lines into comments. Right next to this button is the “Unblock Comment” icon, which allows you to quickly reactivate a previously commented-out block of code. If you don’t see this toolbar, you can enable it via the menu View > Toolbars.