This utility is exactly what its name suggests: a program that offers you information regarding which shortcut key combinations can be used within Microsoft Office apps. The tool might prove to be of good use to Mac users who are new with the aforementioned software pack and wish to learn how to handle Microsoft Office applications in a faster and easier manner.
You have access to shortcut keys info for Word, Excel, and PowerPoint. The program allows you to bookmark the lessons you need to access again later, search details directly from its interface by using the integrated search tool, and disable sound effects if necessary.
I like the fact that you can use the flashcard feature in case you wish to practice what you've learned.
However, you don't have access to all lessons by installing this utility on your Mac. You need to make two in-app purchases in order to read all chapters (the acquiring price is reasonable and definitely worth it).
These shortcut keys details can also be found with a simple Google search. Personally, I prefer having access to keyboard shortcut info at any time, without using my default browser for repetitive times. So, I'd say it's worth installing this program if you wish to learn how to control Microsoft Office apps with minimum efforts.