Keynote User Guide for Mac
- Welcome
- What’s new
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- Change object transparency
- Fill shapes and text boxes with color or an image
- Add a border to an object
- Add a caption or title
- Add a reflection or shadow
- Use object styles
- Resize, rotate, and flip objects
- Move and edit objects using the object list
- Add linked objects to make your presentation interactive
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- 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
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- 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
in the toolbar, then choose Play Multi-Presenter Slideshow.Click the Start as Host button in the multipresenter slideshow lobby.
The slideshow begins on the slide you selected.
As the host, you have control of the slideshow at all times, but you can also share control with other presenters. To share control with another presenter, move the pointer to the bottom of the screen to show the toolbar, click 
next to their name.
To stop playing the presentation, press Esc.
During a multipresenter slideshow, notifications alert you when a presenter joins and leaves the presentation, or starts and stops controlling the slideshow. If you do not want your audience to see the notifications, move the pointer to the bottom of the slideshow window to see the toolbar, click Add and view presenter notes in Keynote on Mac