Keynote User Guide for Mac
- Welcome
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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
Use dictation to enter text in Keynote on Mac
Place the insertion point where you want to begin dictating, or select the text you want to replace.
If you’re replacing placeholder text, double-click the text to delete it. The insertion point is placed automatically.
Choose Edit > Start Dictation (from the Edit menu at the top of your screen).
If you haven’t used dictation before, follow the guided setup instructions that appear.
Tip: When dictation is set up, you can also press the Function key (fn) on your keyboard twice to start dictation.
When the microphone appears, begin speaking.
To add punctuation, speak its name (for example, comma or apostrophe).
Click Done below the microphone when you’re finished.
To change the shortcut key for dictation, or to change the language, choose Apple menu 
> System Preferences > Keyboard > Dictation.
To learn more about dictation, click the desktop to switch to the Finder, choose Help > macOS Help (from the Help menu at the top of your screen), then search for “dictation.”