Keynote
Keynote User Guide for Mac
- Welcome
-
- Use iCloud Drive with Keynote
- Export to PowerPoint or another file format
- Reduce the presentation file size
- Save a large presentation as a package file
- Restore an earlier version of a presentation
- Move a presentation
- Delete a presentation
- Password-protect a presentation
- Lock a presentation
- Create and manage custom themes
- Copyright
![](https://help.apple.com/assets/603D763756EDE133EF512422/603D763756EDE133EF512429/en_GB/11a0445fda22f5006eaaf70dbce3e9ce.png)
Change the slide size in Keynote on Mac
You can change the slide size to fit screens with different aspect ratios.
Note: You can’t change the slide size of a presentation you’re sharing with others.
Change the slide size
In the Document
sidebar, click the pop-up menu below Slide Size and choose a new size. If you choose Custom Slide Size, enter slide dimensions, then click OK.
Thanks for your feedback.