Stuck with the plain (though undeniably iconic) “Sent from my iPhone” signature? You can, of course, do different and end your emails in a manner that reflects your personal style and professionalism. Find out here how to change your email signature on an iPhone using iOS Mail.
First, Pouring Hot Coffee over Perfectly Good Cheese
The cheese in question is called leipäjuusto, dried and ready to soak up the dark brew for a rich combination of flavor and texture.
In Lapland, this coffee cheese is a kind of signature dish.
In your iPhone emails, you can have a signature, too. Best without the hot coffee poured over it; or, I gather, the juustoleipä.
How to Change Your Email Signature on an iPhone in iOS Mail
Time needed: 5 minutes
To create or edit an email signature that iOS Mail will append to every message (and reply) you send from your iPhone automatically:
- Open the Settings app.
- Go to the Apps category.
iOS 17 and earlier: In iOS versions before 18, you can skip this step..
- Open Mail.
- Under Composing, tap Signature.
- Enter or edit the desired iPhone signature in the text field.
Signature delimiter: iOS Mail will not add the standard email signature separator automatically. If you want to use it, do insert it yourself right in the signature.
Change formatting: You can format the text to a certain degree (see below) and even add an image to your iPhone email signature. - Tap ⟨ (or ⟨ Mail).
iPhone signature signed, sealed and sizzling?
Tips help fuel these email and tech how-tos.
How to Change Your Email Signature on an iPhone: FAQ
Can I add formatting to my iPhone signature?
Yes.
You can add a degree of formatting to your signature’s text:
- Tap anywhere and select Select from the context menu to start selecting.
Tap and select: Double tap to select a line right away. - Make sure the part of the text whose formatting you want to change is highlighted.
- Now tap BIU in the context menu.
- Select
Bold for bold text,
Italic for italicized letters and
Underline to underline.
Writing of signatures… How to Set up a Signature for PDF Files on an iPhone
Can I add an image or logo to my signature?
Yes.
While the process is a bit clumsy and more involved than possibly it should be, you can add an image to your iPhonoe email signature.
Can I change the signature per account?
No.
iPhone Mail allows for only one email signature across all your accounts. (You can set up text expansion to quickly insert short snippets of ready-made text, of course, but not entire signatures.)
(Tested with iOS 14–18 and 26; first published November 2018, last updated October 2025)