How do I use the Mailbutler Sidebar side by side with Mail in full screen mode?

If you are using Mail in full screen mode, follow these instructions to place the Mailbutler Sidebar side by side your Mail window, rather than it covering the Mail window.

Last updated on 04 Feb, 2026

1. While using Mail in full screen mode, click the attach button to attach the Mailbutler Sidebar to the Apple Mail window.

2. Now click and hold the sidebar by the top bar.

3. Without letting go of the Sidebar, press the F3 key to open Mission Control. Drag the Mailbutler Sidebar window next to the Mail app window in Mission Control.

The Mailbutler Sidebar is now placed side by side your Mail window. If you have any problems following the instructions, contact us at support@mailbutler.io.

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