To protect your organization’s data, we automatically sign any G Suite user out of Google services they’re using on the web (like Gmail and Drive) after two weeks. We’ve heard, however, that some organizations need different durations for different use cases. For instance, if users access work data outside their corporate network, a shorter session length may be warranted. In other cases, a longer session length may be appropriate, and not requiring users to continually enter their password makes for a much better experience.
That’s why we’re giving G Suite Business, Enterprise, and Education admins the ability to specify the duration of web sessions
for Google services (e.g. four hours, seven days, or infinite). Unless a user logs out on their own beforehand, they’ll be automatically signed out at the end of that duration and prompted to re-enter