Google Less Secure Apps List. But with less secure apps disabled you can log into google and revoke the token issued for that device. To enable the option in gmail:
Review our list of alternatives to less secure apps. To review and adjust your security settings and get recommendations to help you keep your account secure, sign in to your account. Your app may offer you a list of email providers that includes google.
In my understanding, less secure apps refers to applications that send your credentials directly to gmail.
They are not less secure, they just do not meet googles arbitrary authentication standard. Access by what google calls less secure apps just lets you (or your seamonkey) use other methods of secure authentication to log in to your gmail account. In my understanding, less secure apps refers to applications that send your credentials directly to gmail. 5) i believe that once google discontinue less secure apps if 2 step authentication is enabled and forced and users have done steps then it wont affect their outlook please confirm this.