Now, if you still wish to continue using such apps, you must enable and use new method described in this article. Update: (June 2022) Google has finally blocked access to insecure apps. Read further below to learn about 2SV in more details.įrom what we understand following this Google Help article, you will still be able to use your favorite email app, but if it falls on the Google’s list of “less secure apps” (such as Outlook 2016, Outlook 2010, Outlook 2007 and older, including some other email apps/software), you will have to switch to 2SV authentication, namely, 16-digit app password, as explained in our guide below.

Update: (March 2022) Google has started sending global email notifications to all Gmail account owners that on May 30 (that’s less than 3 months from now) you may lose access to apps that are using less secure sign-in technology.Įssentially, as we predicted last year, Google is now forcing users to either use sign-in with Google Account, OAuth 2.0 or, alternatively, 2SV authentication technologies.

Thunderbird oauth2 gmail