I want to make Google Chrome default mail app, in other word I want to make Google Chrome to open "mailto" content type like Firefox as mentioned in this answer in my Gmail in Google Chrome. Also I have gone to "Settings > Details > Default Application" to make Google Chrome default Mail application, but it is not available in the Mail list. What should I do?

1 Answer 1


This has to do with modern websites offering "service handlers". First, make sure you allow service handlers in Chrome, then allow Gmail to use its service handler.

  1. In Google Chrome, open Settings,click Advanced, and under Privacy and Security, click on Content Settings.
  2. Click on "Handlers" and set the option "Allow sites to ask to become default handlers for protocols" to "on".
  3. Go to Gmail and log in.
  4. You will see a new symbol in the URL bar. It looks like a double diamond. Click it.
  5. Set "Allow mail.google.com to open all email links?" to Allow.
  • The option was enabled for me in the settings already, but I still can't enable it on any mail service... no double diamond...
    – xeruf
    Jun 26, 2019 at 11:22
  • 1
    Did not find content settings in latest chrome build, not even in the global settings search, weird. Nov 26, 2019 at 6:11
  • I just had to go to my gmail tab, click the double diamond and choose Allow. Thanks.
    – dw1
    Sep 16, 2020 at 11:41

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .