How can I change the default mail app on iPhone?

Can I use Outlook as the system mail app on iOS? How do I set my default email client on iPhone?

iOS Mail

The default email app can be changed from Mail on iOS 14 and later. Follow the steps below to choose which mail client the iPhone launches automatically when composing mail:

  1. Install the third-party mail app (e.g. HEY, Outlook, Spark)
  2. Launch Settings
  3. Scroll down and choose the email client name
  4. Default mail client iOS
  5. Tap Default Mail App
  6. Default mail client iOS step 2
  7. Tap the mail client to use as iOS system default
  8. Default mail client iOS step 3