After you sign in to gmail account to using, you want to log out for more security. But you aren’t know how to sign out of gmail account, follow the steps below.
Sign out on your computer
STEP 1: Go to your Gmail inbox in a web browser: confirm that this is the correct account by looking at your username in the upper right corner of the page.
STEP 2: After confirm your gmail account is correct, click your photo in the top right, Click Sign out.
Sign out from another computer
STEP 1: Log in to GoogleAccount (Gmail).
STEP 2: In the bottom right corner, click Details and then Sign out all other web sessions.
Note: If you are using a public or shared computer, sign out of your Google Account before leaving your computer.