Nine Things That Often Go Wrong in PowerPoint 2013
You can't figure out where a command went.
If you’re a long-time PowerPoint user, you’ve invested a lot of time finding where all its important commands are hidden. Although the new Ribbon interface is supposed to be easier to use, sometimes features are still hard to find.
Fortunately, PowerPoint’s Help has a handy chart that lists the new location for all the old commands and toolbar buttons. To find this list, click the Help button (found at the top right of the PowerPoint window), search for the word menus, and then choose Where are the menus and toolbars.