The Microsoft Edge browser. (Bigstock Photo)

Microsoft is looking to warn users about unreliable news sources with a new feature on its Edge browser on mobile devices.

In an extension of a partnership NewsGuard, alerts have started popping up on some news stories on the Edge mobile browser about the trustworthiness of the source. The Guardian reported that fellow U.K. publication the Daily Mail was flagged with the warning “this website generally fails to maintain basic standards of accuracy and accountability.”

NewsGuard’s service has been available on Edge since last August as an optional plug-in. The service has expanded to the browser itself, though customers still have to take action to enable it.

NewsGuard was founded by journalists Steven Brill and Gordon Crovitz. It rates news sites on nine different criteria, including how straight forward they are about ownership and advertising and how often they publish false or deceptive content.

Microsoft’s Edge browser isn’t widely used, but adding more protections against potential fake news and other unreliable material could give it a leg up. While Microsoft has gone all in on bots and artificial intelligence, the company has also put in place ethical standards to at least try and keep the technology from being used for nefarious means.

This story has been updated to clarify that users have to enable the NewsGuard features.

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