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Create a Gmail signature

An email signature is text, like your contact information or a favorite quote, that’s automatically added at the end of Gmail messages as a footer.

Add or change a signature

You can put up to 10,000 characters in your signature.

  1. Open Gmail.
  2. In the top right, click Settings Settings.
  3. Click Settings.
  4. In the "Signature" section, add your signature text in the box. If you want, you can format your message by adding an image or changing the text style.
  5. At the bottom of the page, click Save Changes.
Add a signature if you're using the "Send mail as" feature

If you use the "Send mail as" feature to send from different addresses in your account, you can add a different signature for each address.

To select an address, use the drop-down menu above the signature text box on the Settings page.

If you don’t see the drop-down menu:

  1. Open the Accounts and Import settings page.
  2. Check that your addresses are listed in the "Send mail as" section.

Troubleshoot problems

Extra characters were added to my signature

If you notice extra characters in your signature, it's because some versions of Gmail don't support features like bolding or italics.

To remove the extra characters, remove any special formatting in your signature.

I don't see the option to format my signature

If you see "Plain Text" above the signature box, you need to turn off Plain text mode before editing your signature.

  1. Open Gmail.
  2. Click Compose.
  3. In the bottom right, click More options Down Arrow.
  4. Uncheck "Plain text mode."
I don't see my signature in my sent messages

Signatures are separated from the rest of your message by two dashes.

To see your signature, go to the bottom of a message, then click Show trimmed content Show trimmed content.

Vivian is a Gmail expert and the author of this help page. Leave her feedback about this help page.

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