With multiple sign-in enabled, users can select their different accounts from a single menu, eliminating the need to sign in and out of each one individially or to log in with different browsers.

One user posted a screenshot of the notice from Google advising users to change from Inbox to Gmail by the end of March 2019 and said "Leave me alone, Google!

If you’ve configured two-step verification for your Gmail account, rather than checking your mobile for codes you can plug in a verified USB stick instead. You can carry it wherever you go, and ...

If you try the new Gmail inbox and want to go back, Google makes that easy as well. How to Turn on the New Gmail Inbox To turn on the new Gmail inbox, log into your Gmail account.