MS Power Point Shortcuts Key - 4
| 46 | ALT+P | Toggle between play and pause |
| 47 | ALT+END | Go to the next bookmark |
| 48 | ALT+HOME | Go to the previous bookmark |
| 49 | ALT+Up | Increase the sound volume |
| 50 | ALT+Down | Decrease the sound volume |
| 51 | ALT+ SHFT+ PAGE DOWN | Seek forward |
| 52 | ALT+ SHFT+ PAGE UP | Seek backward |
| 53 | ALT+U | Mute the sound |
| 54 | ALT+ SHFT+1 | Collapse all groups |
| 55 | ALT+ SHFT+9 | Expand all groups |
| 56 | F5 | Start a presentation from the beginning |
| 57 | CTRL+P | Change the pointer to a pen |
| 58 | CTRL+A | Change the pointer to an arrow |
| 59 | CTRL+E | Change the pointer to an eraser |
| 60 | CTRL+M | Show or hide ink markup |
