#1. When I pressed Alt+Tab, a small window showing all the programs I had open opened up so I can switch from program, to program.
#2. To select all, you press Ctrl+A. To copy all, you press Ctrl+C. To paste, you press Ctrl+V, as many times as you want to paste the set of words. To change the font you need to press Ctrl+A to select all, then you press the font you want to change it to, as well as with the color and size. To change your set of words line spacing you have to first press Ctrl+A to select all, then press the line spacing icon and put it to the line spacing you desire.
#3. The things Microsoft Powerpoint and Microsoft Word have in common is that they both have almost the same settings. You can use the same shortcuts and icons to change your set of data.