If clicking on a mailto link brings up a Google webpage, you clicked "yes" when chrome browser asked you whether you wanted to launch Gmail when you click on a mailto link.



If Outlook does not open, follow this Win 10 guide to quickly fix


Search and click 'Default app settings' and select Outlook:



If Outlook does not open, follow this Win 8 guide to quickly fix 


  1. Open Control Panel > Default ProgramsAssociate a file type or protocol with a program:



  2. Sort 'Current Default' column and find MAILTO:



  3. Click 'Change program...' and select Outlook:


Now Outlook will open mailto links as it used to before installing Chrome browser.