iMac short cut for mail

falcon1979 wrote:

how to get back to mail when visiting website that was linked in a email

Command Tab presents the HUD (Heads Up display)

mouse or tab through to your selection

or

4 finger swipe up is the Mission Control

Use Mission Control on your Mac - Apple Support

See open windows and spaces in Mission Control on Mac

All sorts of shortcuts: Mac keyboard shortcuts - Apple Support

You can also click on the Mail icon in the Dock.