For this tutorial, we’ll cover how to add email signatures on iPhone and iPad when using the default Mail app. If you’re looking to add a signature via a third-party email client, take a look in settings of that particular app.
With the iOS Mail app, you can have a signature apply to all email accounts you are using, or have different signatures for each account.
How to add custom email signatures on iPhone and iPad
- Open Settings
- Swipe down and tap Mail
- Swipe down and select Signature
- Enter your signature (can be the same for all accounts or on per account basis)
Here’s how the process looks:

If you have an iPhone and an iPad, you’ll need to set up signatures on both devices as they don’t sync automatically. Follow the same steps as above.