Scroll down one screenful in the Notes pane

`Ctrl` + `Page Down`

All hotkeys for Microsoft PowerPoint (Slideshows)

General Start a presentation from the beginning	`F5`
General Start a presentation from the current slide	`↑ Shift` + `F5`
General Show the Presenter View	`Alt` + `F5`
General Show the Presenter View	`Alt` + `S` then `B`
Control your slide show during the presentation Perform the next animation or advance to the next slide	`N`
Control your slide show during the presentation while a hyperlink is selected: Perform the "mouse click" behavior of the selected hyperlink. (Follow a selected hyperlink)	`⤶ Enter`
Control your slide show during the presentation Perform the next animation or advance to the next slide	`Page Down`
Control your slide show during the presentation Arrow Perform the next animation or advance to the next slide	`→`
Control your slide show during the presentation Perform the next animation or advance to the next slide	`↓`
Control your slide show during the presentation Perform the next animation or advance to the next slide	`Space`
Control your slide show during the presentation Perform the previous animation or return to the previous slide	`P`
Control your slide show during the presentation Perform the previous animation or return to the previous slide	`Page Up`
Control your slide show during the presentation Perform the previous animation or return to the previous slide	`←`
Control your slide show during the presentation Perform the previous animation or return to the previous slide	`↑`
Control your slide show during the presentation Perform the previous animation or return to the previous slide	`⬅ Backspace`
Control your slide show during the presentation Go to slide number	`Num 1` - `Num 9` + `⤶ Enter`
Control your slide show during the presentation Display a blank black slide, or return to the presentation from a blank black slide	`B`
Control your slide show during the presentation Display a blank black slide, or return to the presentation from a blank black slide	`.`
Control your slide show during the presentation Display a blank white slide, or return to the presentation from a blank white slide	`W`
Control your slide show during the presentation Display a blank white slide, or return to the presentation from a blank white slide	`,`
Control your slide show during the presentation Stop or restart an automatic presentation	`S`
Control your slide show during the presentation End a presentation	`Esc`
Control your slide show during the presentation Erase on-screen annotations	`E`
Control your slide show during the presentation Go to the next slide, if the next slide is hidden	`H`
Control your slide show during the presentation Set new timings while rehearsing	`T`
Control your slide show during the presentation Re-record slide narration and timing	`R`
Control your slide show during the presentation (hold for several seconds) Start the laser pointer	`Mouse left click`
Maneuver in Presenter View during a presentation Print presentation	`Ctrl` + `P`
Control your slide show during the presentation Change the pointer to an arrow	`Ctrl` + `A`
Control your slide show during the presentation Change the pointer to an eraser	`Ctrl` + `E`
Control your slide show during the presentation Show or hide ink markup	`Ctrl` + `M`
Control your slide show during the presentation Hide the pointer and navigation button immediately	`Ctrl` + `H`
Control your slide show during the presentation Hide the pointer and navigation button in 15 seconds	`Ctrl` + `U`
Control your slide show during the presentation View the All Slides dialog box	`Ctrl` + `S`
Control your slide show during the presentation View the computer task bar	`Ctrl` + `T`
Control your slide show during the presentation Display the shortcut menu	`↑ Shift` + `F10`
Maneuver in Presenter View during a presentation Move from one tool to another within a single region of Presenter view	`⭾ Tab`
Control your slide show during the presentation Go to the last or previous hyperlink on the current slide	`↑ Shift` + `⭾ Tab`
Control video and other media during a presentation Stop media playback	`Alt` + `Q`
Control video and other media during a presentation Play or pause media	`Ctrl` + `Space`
Control video and other media during a presentation Toggle between play and pause	`Alt` + `P`
Control video and other media during a presentation Go to the next bookmark	`Alt` + `End`
Control video and other media during a presentation Go to the previous bookmark	`Alt` + `Home`
Control video and other media during a presentation Increase the sound volume	`Alt` + `↑`
Control video and other media during a presentation Decrease the sound volume	`Alt` + `↓`
Control video and other media during a presentation Mute the sound	`Alt` + `U`
Control video and other media during a presentation Seek backward three seconds	`Alt` + `↑ Shift` + `Page`
Control video and other media during a presentation Seek forward 0.25 seconds, then pause	`Alt` + `↑ Shift` + `→`
Control video and other media during a presentation Seek backward 0.25 seconds, then pause	`Alt` + `↑ Shift` + `←`
Control video and other media during a presentation Show/Hide audio and subtitles menu (for videos that have multiple audio tracks and/or subtitle tracks in supported formats.)	`Alt` + `J`
Maneuver in Presenter View during a presentation Move from one region of Presenter view (Header, tools below the slide, and the Notes pane) to the next	`F6`
Maneuver in Presenter View during a presentation Scroll down one line in the Notes pane	`Ctrl` + `↓`
Maneuver in Presenter View during a presentation Scroll up one line in the Notes pane	`Ctrl` + `↑`
Maneuver in Presenter View during a presentation Scroll down one screenful in the Notes pane	`Ctrl` + `Page Down`
Maneuver in Presenter View during a presentation Scroll up one screenful in the Notes pane	`Ctrl` + `Page Up`