Creating an Email Signature in Apple Mail

Last modified 2/14/2022

The Apple Mail email client allows you to create and use a personal signature, which will appear at the end of outgoing email messages. The signature can include text, images, a logo, links to a website, etc.


If you have an Illinois State Microsoft 365 Email account, and you use Apple Mail as your email client, but, you also use the Outlook Web App at, you will need to create a signature in both locations.

Create a Signature in Apple Mail

To create a signature in Apple Mail, do the following:

  1. Launch Mail.
  2. On the menu bar, select Mail Mail from Menu Bar on MacPreferences →  Signatures.
  3. On the left side of the Signatures pane, select the email account for which you would like to create a signature, or select All Signatures if you would like the signature to apply to all email accounts you have configured in the Mail app.
  4. In the middle of the Signatures pane, click on the Plus + plus minus buttonbutton to add a signature.
  5. Your new signature will automatically be named “Signature #1“. You may change the name of your signature to something else if you like.
  6. In the blank field to the right of the signature name, type in your email signature (Figure 1).
  7. Close the Signature pane.

    Figure 1:
    Creating a Signature Steps in Apple Mail

You have successfully set up a signature in the Apple Mail app. The signature will now automatically appear at the bottom of new messages, when using your Apple Mail email client.

How to Get Help

For technical assistance, Submit a Help Ticket, or you may contact the Technology Support Center at 309-438-4357, or by email at

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