How to set dimensions in Keynote

To change the dimensions of your slide please follow the steps below:

  1. Choose the Document button on the upper right corner of the screen
  2. Click the Document tab
  3. Choose Custom slide size.. from the Slide Size pop-up menu.
  4. Fill in the dimensions given in the instructions email in pixels and press the OK button.

For further information feel free to check the Keynote instructions.

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