Google Inbox doesn't appear to offer to handle mailto: links as Gmail does.

Is there a way to enable this in Google Inbox?

4 Answers 4


Go to https://inbox.google.com and click the diamond-shaped icon to the right of Chrome's address bar (omnibox). Then choose Allow and Finished:

Chrome content handler dialog

  • 4
    No diamonds for me. Sep 10, 2017 at 1:19
  • @glenviewjeff I think I just managed to fix it. I went into gmail and set that up as the mailto-manager using the diamonds. When going back to Inbox the diamonds were there again and I could re-set it as the mailto-manager.
    – Asken
    Feb 26, 2018 at 8:58

There is Gmail option under the left hand menu in Inbox, which can be accessed using the hamburger in the top left.

Once in Gmail you can enable it per this answer.

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If you're using FireFox, Google doesn't present the handler-registration interface. However, all is not lost!

Open the developer tools with i, and click the Console tab:

enter image description here

Then, copy-and-paste the following JavaScript snippet:

 , "https://inbox.google.com/?mailto=%s"
 , "Inbox")

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You should see a banner appear at the top of your Inbox window, asking if you want to allow Inbox to become a registered handler for mailto: links. Click ‘allow.’

Next, you'll have to select Inbox as the desired handler inside FireFox itself,

enter image description here

… and finally, figure out a way to convince macOS to then select FireFox as the system-wide handler for mailto: links. I keep the venerable-but-still-functioning (at least, as of the 10.14 “Mojave” beta, anyway) RCDefaultApp PrefPane installed for exactly this purpose:

enter image description here

Congratulations! You can test it out in the terminal, with a command like open 'mailto:[email protected]'. Go forth, and verily shalt thou sendmail!


You can try and set gmail to redirect to inbox in the inbox's definitions panel /Other

  • 2
    It's difficult to understand what you mean - could you rewrite your answer, and perhaps include a screenshot? Jan 25, 2016 at 15:28
  • How would that handle 'mailto:' links?
    – Chenmunka
    Jan 25, 2016 at 15:45

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