When creating a presentation, you can use the keyboard shortcuts that PowerPoint offers for selecting placeholders, inserting new slides and duplicating existing slides, toggling Print Preview, searching for the next instance of the current search term , and finding the next spelling error.
[Ctrl] - [Enter]
Use this shortcut to move from one placeholder to another with the keyboard. When the currently selected placeholder is the last placeholder on a slide, pressing this shortcut inserts a new slide in the presentation after the active slide.
[Ctrl] - [M]
This shortcut is the equivalent of choosing Insert New Slide.
[Ctrl] - [D]
Duplicate a slide when you need to base another slide on it.
[Ctrl] - [F2]
[Shift] - [F4]
After performing a search and closing the Find dialog box, you can find the next instance of the same search term by pressing this shortcut.
[Alt] - [F7]
This shortcut is great for quickly moving from one apparent spelling error to the next in a presentation.