How do I sync my Outlook signature to my mobile device?

An Outlook mobile signature can help your emails maintain a professional appearance, no matter where you send them from.

For consistency, it’s important to know how to make your Outlook mobile signature the same as on desktop or in-browser.

After all, there’s no reason a recipient needs to know if you’ve sent an email from your desk at the office, the comfort of home, or anywhere else besides.

Microsoft doesn’t offer a native service to sync your signature on Outlook mobile with other devices and platforms.

Fortunately, though, it is simple to add an Outlook mobile app signature and then to repeat the process on other devices and platforms. 

Let’s start with how to add an Outlook mobile email signature and then move on to syncing up for consistency. 

How to add signature in the Outlook mobile app for Android and iOS

Typically, iOS and Android are worlds apart when it comes to system settings, but the steps you’ll need to follow to add a signature in Outlook mobile are roughly the same regardless of OS.

Here’s what you’ll need to do to set up your signature:

  1. Before you get started, download the Microsoft Outlook Mobile app to your iOS or Android device.
  2. Open the app and log into your existing email account using the appropriate credentials.
  3. Click on Settings, located in the top right-hand corner of the app.
  4. Select Signature, located under the Mail subheading.
  5. Add your signature in the text box that appears on the screen.

How to make an Outlook signature the same as desktop for Windows

Once you’ve set the right Outlook signature on mobile, it’s easy to achieve consistency for emails sent via desktop. On a Windows computer, you simply follow these steps: 

1. Download and install Microsoft Outlook for Windows if you haven’t done so already.

Download and install Microsoft Outlook for Windows

2. On the View tab, choose the View Settings option, which is accompanied by a cog icon.

On the View tab, choose the View Settings option

3. Select Accounts and then Signature.

Select Accounts and then Signature

4. Click the + New signature option and then give your signature a memorable name.

Click the + New signature option and then give your signature a memorable name

5. In the box below, create and edit your signature so that it matches the Outlook mobile signature you’ve already set.

6. Click Save.

Save the document

7. Select your newly created signature from the list above the editing box.

8. Then click Select default signatures and then choose how to apply your signature to new messages, replies, and forwarded messages.

How to sync Outlook signature to Outlook for Mac

It’s the same idea when it comes to syncing your Outlook email signature across mobile and desktop devices powered by Apple operating systems.

You simply need to add your consistent signature to your desktop devices:

1. Download and install Microsoft Outlook for Mac if you haven’t done so already.

    Download and install Microsoft Outlook for Mac

    2. Select Preferences from the Outlook menu.

    To add a signature to match your Outlook mobile signature, first go to Preferences

    3. Select the Signatures icon from the Email section.

     The Signatures icon in the Outlook preferences menu

    4. Select the + icon to add a new signature.

    Select the + icon to add a new signature.

    5. Type a memorable name in the Signature Name box.

    Adding the name of your signature to the Signature Name box

    6. Use the Signature editor to create and edit your signature. Make sure it matches your Outlook mobile signature.

    7. Select Save and close the editor window.

    Select Save and close the editor window

    8. From the Signatures window, you can set your new signature as the default for your account. Under Choose default signature you can set the options as you require them for your accounts, message, replies, and forwards. 

    The Choose default signature options available in Outlook for Mac

    How to sync Outlook signature to

    To maintain complete consistency of your email signatures, you’ll also want to set up a default signature for using in-browser. Fortunately, that’s straightforward, too:

    1. Open your web browser, navigate to, and sign in to access your account.
    2. In the menu bar in the upper-right corner, select the gear icon to open the Settings menu.
    3. In the popup, navigate to Mail > Compose and Reply.
    4. Create a new signature using the + New signature button or edit your existing signature using the signature box. Make sure it matches your Outlook mobile signature.
    5. Choose how you’d like the signature to be used by selecting the various features and options available below the signature box.

    Why can’t I automatically sync email signatures across all of my devices?

    As mentioned earlier, unfortunately you can’t automatically sync email signatures in Outlook across devices. The Outlook software provided by Microsoft is an email client, meaning that it allows you to send and receive emails from multiple providers (Yahoo, Gmail, etc.).

    Because the client only hosts the email account, you’ll need to manually input your existing email signature in every version of Outlook. However, now you know how to add signatures in Outlook mobile, Outlook for Windows, Outlook for Mac, and that should be a breeze.

    Can I add more than one signature to the Outlook email client?

    Yes! On the Mac, PC, and versions, you’ll have the ability to create and assign signatures as you see fit with a variety of customization.

    On iOS and Android, you can choose to have different signatures for each account. To do this, make sure that the Per Account Signature button is switched on.

    Syncing your signature across all email accounts on the device is also an option. Just enabled the Per Account Signature toggle and all signatures will appear as written in your signature block.

    How can I add pictures to a signature in the Outlook mobile app

    You can add images and logos to your email signature in Outlook mobile, but only on iOS devices. That’s because they support HTML, whereas Android devices do not.

    To add images or logos to Outlook for iOS email signatures, you simply need to create an HTML signature. Then, you can add that signature to the signature box when setting a new email signature. 

    You should keep in mind, however, that these signatures may not render well on recipient devices, so it may be better to stick to a simpler Outlook mobile signature.

    Will my Gmail / Apple / Yahoo / etc. signature override my Outlook signature?

    No. If you send an email from your Outlook client, the email signatures in Outlook will send with your email.

    However, if you logged into the web client provided by your email provider and sent an email from that location, your Outlook signature won’t send with it.

    However, if you’ve set up a signature within those clients, it will send instead.

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