After signing into your Gmail or Outlook account in Chrome or Micorosft Edge browser you’ll notice a diamond icon in the address bar, which on hover says the message: ‘page wants to install a service handler‘. Why Chrome is showing this message in Gmail and what happens when you click on that icon, find out details about that below.
Page wants to install a service handler
By showing the diamong icon in the address bar, web browser here saying respective email service wants to install a service handler, which when you allow, Gmail or Outlook will be set as default email client to open all mailto: links.
If you selct Deny or Ignore and click Done, you won’t notice the service handler icon again when you visit the page next time in web browser.
What happens when you accidentally click on mailto: link in a web browser, outlook client, or Mail on Windows opens, that’s annoying, you may want to open mailto: links with web email service in the browser.
Make Gmail in Chrome as a default email client on Windows 11/ Windows 10
- visit mail.google.com
- Click on service handler icon (diamond), when you’re asked to ‘Allow mail.google.com to open email links,
- Select ‘Allow’ and click “Done”.
- If you’re on Windows 10/11, the Settings app may open the default apps page and prompts you to choose a new app to manage Email instead of Mail, click on Mail and choose Chrome, done.
Visit chrome://settings/handlers page to see mail.google.com added as the default handler for mailto protocol.
Disable Page wants to install service handler icon/message
- Visit chrome://settings/handlers
- Under “Not allowed handle protocols”, ensure mail.google.com is listed.
Is the diamond icon in addres bar bothering you with message page wants to install service handler, understand, Gmail or outlook Email service page in web browser is letting you know, it can open all mailto links if you allow the service handler request. If you don’t want to see service handler message, you can disbale it also with the instrucitons posted in this article.