We've recently switched to using GMail at work for a variety of different reasons after having our own Outlook Exchange for a while. At present everyone is still used to using the Outlook interface instead of GMail. We've managed to set the accounts up in Outlook successfully and it all worked for a day. After that we started getting warnings from GMail because it considers Outlook to be a "less secure app".

For security reasons my boss does not want to enable the "Allow less secure apps" option for each users GMail account but as far as I know that is the only way to use Outlook with GMail.

Is there a way we can enable "Allow less secure apps" but only for Outlook? Or is Outlook now off the table, so to speak?

We are using Outlook 2016, version 1811.

  • @DanielB At present all of our Outlook apps have been blocked so maybe there is a setting somewhere that needs updating but I can't find it at the moment Dec 11, 2018 at 15:10
  • Well maybe I remembered wrong. Looks like Outlook doesn’t support this, after all. Just use Two Factor Authentication and App Passwords.
    – Daniel B
    Dec 11, 2018 at 16:15
  • This is not configurable from Outlook side. Have you contacted Gmail support on this?
    – Steve Fan
    Dec 12, 2018 at 6:39

1 Answer 1


Yes you can enable acces to less secure APPs. In the following link you can find the Google Help page for less secure Apps:

Control access to less secure apps

  • Isn't that an all or nothing setting? As I mentioned in my question we can't allow everything through. If there is a way to whitelist certain less secure apps that would be fine though but I can't tell that from this answer. Dec 11, 2018 at 15:32

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