To see mail I have a to launch a new viewer window. The program itself will not open.
To see Mail I have a to launch a new viewer window. The program itself will not open.
iMac 27″, macOS 10.15
Did you close the Mail window with the red dot?
If so then when you open the app from the Dock you will either have to open a new window, or just click the app in the Dock again.
Close Mail with cmd-Q instead