How to Set Up Your Email Signature in the Outlook Web App

Learn step-by-step how to create and set a default email signature in the Outlook web app. Follow this easy guide to personalise your emails quickly.

March 1, 2026 By Mike WT

In this guide, we'll learn how to set up an email signature in the Outlook web app. Adding a signature helps personalize your emails and can save time by including your contact information automatically.

We'll cover how to access the signature settings, create a new signature, and set it as the default for new messages or replies.

Let's get started

Okay. This is a quick video to show you how to set up your email signature in the Outlook web app. First, log in with your account.

Step #1: Logon to your account at https://portal.office.com with your account and password — Logon to your account at https://portal.office.com with your account and password

This is at portal.office.com.

Once you’re in, open Outlook.

Step #3: Click on "Apps" and then select Outlook — Click on "Apps" and then select Outlook

This is the Outlook web app. Once inside, click the three dots and select Settings.

Step #5: Click on "Settings" — Click on "Settings"

Go to Account.

Step #6: Click on "Account" — Click on "Account"

Step #7: Click on "Signatures" — Click on "Signatures"

Here, there is a section called Signatures.

We want to add a signature.

Step #8: Click on "+ Add signature" — Click on "+ Add signature"

We'll give it a name and set it as the default.

Step #9: Click on "Add a signature name" — Click on "Add a signature name"

I'll copy and paste my signature that I prepared earlier. I want this to be the default for my new messages, so I tick this box.

You can also set it as the default for replies and forwards. Most of the time, you won't need to do this, but it's an option if you want. I'll just hit save.

Step #11: Click on "Save" — Click on "Save"

The default for new messages is the one I just created. I'll exit this screen and create a new mail message. As you can see, my signature is included.

Step #12: Click on "New mail" and your signature will be there! — Click on "New mail" and your signature will be there!