Quit Mailbird on Close

You can choose to quit Mailbird when you X out of the window, or otherwise have it just minimized to the system tray. To adjust this setting:

1) Go to the Mailbird menu in the top left of the main window.

2) Select "Settings"

3) Click the "General" tab

4) Check or un-check the "Application behaviorl: Quit Mailbird on close" box