Create and add a signature to messages

Joel Lachance

September 29, 2025 18:41 Updated

For Outlook for Windows (Classic Desktop)

Open Outlook.
Select New Email.

From the Insert tab, select Signature > Signatures.

In the "Signatures and Stationery" dialog box, select New.

Type a name for your signature and select OK.

In the Edit signature box, type your signature and use the formatting toolbar to adjust the font, color, and size.

Select OK.

To set it as a default signature, select your new signature from the list, and then choose it for new messages and/or replies and forwards.

Select Save.

For Outlook on the Web

Sign in to Outlook on the web (office.com).

Select Settings (the gear icon) > Account > Signatures.

Under "Email signature," type a name for your signature.

Type the desired text in the box and use the formatting toolbar to change its appearance.

Select your new signature for new messages and replies/forwards using the dropdown menus under "Select default signatures".

Select Save.

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