Loading this add-in in Excel gives you two extra menu-items on the bottom of the "Tools"-menu (or equivalent in non-English versions of Excel). These are:
To load this add-in in Excel: Open it the same way you do with Excel workbooks. Installing the add-in does not work for all users.
If not there are two alternatives:
1. Add the location of password_2007_2010.xlam to the trusted locations.
Under "Excel options"-"Trust center"-"Trust center settings..."-"Trusted Locations"-"Add new location", add the path to where password_2007_2010.xlam is stored
2. Set your macro security level one step down.
Under "Excel options"-"Trust center"-"Trust center settings..."-"Macro settings", set the level down to "Disable all macros with notification"
Close Excel, start Excel and open password_2007_2010.xlamThe new menus are:
The first two removes protection from active sheet/workbook, and displays a password that works (most probably not the same as the original). "Unprotect all" removes workbook protection (applied with "Tools"-"Protection"-"Protect workbook") and all worksheet passwords. It displays no message at the end, it just stops running.
When the program is running, look to the Excel status bar (on the lower left) which will display the running time.
If Excel appears to freeze, just let the macro do its work. It may take up to a few minutes.The image below shows the new menu items: