Keynote
Keynote User Guide for Mac
- Welcome
-
- Send a presentation
- Intro to collaboration
- Invite others to collaborate
- Collaborate on a shared presentation
- See the latest activity in a shared presentation
- Change a shared presentation’s settings
- Stop sharing a presentation
- Shared folders and collaboration
- Use Box to collaborate
- Create an animated GIF
- Post your presentation in a blog
-
- 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/6386526B0659CD6C84350728/6386526F0659CD6C8435074C/en_AU/dba9db3a6986a6ad57f1a3d09d3b9e44.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.
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