How to set up an email signature in Outlook for iOS

A good email signature should be professional and eye catching, but how often do we send a quick email from our iPhone that arrives with the ‘sent from my iPhone’ strapline? Did you know that you can set up either a mobile signature or a signature in Outlook Web App (OWA) on your laptop or desktop? Both processes are straightforward and will carry your global branding across mobile and desktop platforms.


Note: if you create and set a mobile signature for Outlook for iOS, emails from your mobile will automatically send with your mobile signature.

How to create a mobile signature, step-by-step:

1. Log into your Outlook Web App

2. Now click on the Gear Icon

3. Under Settings, select Signature

4. Opt to create a globalized signature for ‘All Accounts’ or personalized signatures ‘Per Account’

5. Enter the desired text in the text field and you’re done. You can also opt to leave the text field blank if no signature is required.

Create an OWA signature on laptop or desktop:

1. Open the OWA app and navigate to Gear Icon -> Options -> Settings -> Mail

2. Type the signature you want to use in the text box under ‘Email Signature’ and by using the mini formatting bar to change appearance.

Note: you can copy and paste an image from source into the text box.

3. Select ‘Automatically include my signature on messages I send’ unless you want to insert a signature manually.

Note: Your signature will appear automatically on all outgoing items – this includes forwarded email, as well as replies.

4. Click Save and your signature is good to go.

While Outlook for iOS is a feature rich email client for your iPhone, it drops the ball when it comes to adding signatures, as there’s no support for professional looking, feature-rich HTML sign offs.

For additional help when you set your email signature in iOS, CodeTwo is a supplier of software solutions for managing email signatures that carry your professional branding across all platforms.

11 thoughts on “How to set up an email signature in Outlook for iOS

  1. Peter

    Tried this but the image paste doesn’t work.
    Please clarify: “you can copy and paste an image from source into the text box.”

    1. Kamil Glaser

      Hi Bernard,
      I have updated the article because it could have been a bit misleading. Image paste works, but only in the desktop OWA. The only way to apply images to mobile signatures sent from OWA for iOS is using third party software, like stated in the last paragraph.

  2. Julie Ruengert

    They should fix this to work across the platform because gmail signature and logo works automatically with the iphone and it is free. We should not have to figure this out considering we are paying for the service.

    1. Kamil Glaser

      Hi Marco,
      You are right, that is why there are two separate articles – for the native app and for Outlook. The only foolproof way to ensure consistent email signatures regardless of the device and email client used is to centrally manage email signatures on the server.

  3. Ebube

    I figured out how to get images to appear (but not fully embedded with links). Simply host the image (upload it from your camera roll) and then copy the HTML code for the full image and paste that in the signature box on OWA settings and it should work. Just tested.


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