We’ve made it pretty easy for you to make Shift your default email client. This would result in Shift being used to open any link in your browser associated with an email function. An example of these functions would be mailto links.
Here's how to make Shift your default email client.
1. Go to Settings.
2. Go to General.
3. Scroll down to the Functionality section.
4. Click Set As Default.
5. Voila! You've successfully set Shift as your default email client.