log out
phrasal verb with log verb [ T ] uk/lɒɡ/ us-gg-
(also log off) [ I or T ] IT, INTERNET
to end a connection to a computer system by clicking on a spot on the computer screen:
To log off, simply turn off the machine.
The device has a series of prompts to remind viewers to log in when they watch TV and log out when they stop.
Computers automatically log staff off when they turn away from the computer.