Change Mailbox Display Name Outlook

Logan Jul 18, 2026

Ever found yourself in a situation where you want to change the display name on your Outlook email? Perhaps you've recently married and updated your last name, or maybe you've started a new job and want to keep your professional and personal emails organized. Whatever the reason, Outlook makes it easy to update your mailbox display name in just a few simple steps.

the mail merge button in microsoft's office 365 email address box is highlighted on the left side of the document
the mail merge button in microsoft's office 365 email address box is highlighted on the left side of the document

In this guide, we'll walk you through the process of changing your display name on both the desktop application and the web version of Outlook. Let's dive right in!

Free Stationery Designs You Can Download for Your Emails
Free Stationery Designs You Can Download for Your Emails

Changing Your Mailbox Display Name in Outlook (Desktop)

If you're using the Outlook desktop application, follow these steps to update your display name:

Microsoft Outlook: How to View Your Mailbox and Calendar Side-by-Side
Microsoft Outlook: How to View Your Mailbox and Calendar Side-by-Side

1. First, open the Outlook application and click on the 'File' menu in the top left corner.

Accessing Account Settings

the email box is open and it appears to be filled with mailboxes or contacts
the email box is open and it appears to be filled with mailboxes or contacts

2. From the menu, select 'Info' and then click on 'Account Settings' in the right sidebar.

3. In the pop-up window, select the 'Email' tab (if it's not already selected) and click on 'Change Account' under your email address.

Updating Your Mailbox Display Name

Make Important Email Standout in Outlook with Color Coding
Make Important Email Standout in Outlook with Color Coding

4. On the 'Email Addresses' page, under the 'Display name' field, type your new display name. You can use up to 50 characters, which may include numbers, letters, and spaces.

5. To save your changes, click 'OK' and then 'Finish'. Your mailbox display name should now be updated across your Outlook desktop application.

Updating Your Mailbox Display Name in Outlook on the Web

Display Total Number of Messages in Deleted Folder in Outlook
Display Total Number of Messages in Deleted Folder in Outlook

If you prefer using the web version of Outlook, follow these steps to change your display name:

1. Log in to Outlook on the web with your Microsoft account credentials.

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The New Microsoft Outlook.com, Graymail, and a Zen Inbox
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This item is unavailable - Etsy
This item is unavailable - Etsy
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an email box with the words check your mail written on it and some stickers
an email box with the words check your mail written on it and some stickers

Accessing the Outlook Profile

2. Click on the gear icon (or the settings icon) located at the top right corner of your Outlook dashboard.

3. Select 'View all Outlook settings' from the dropdown menu. This will open the Settings page for your Outlook account.

Updating Your Name and Contact Information

4. In the left navigation pane, click on 'Name and contact information'. Here you can view and edit your currently registered email addresses, display name, and other contact details.

5. To update your display name, simply click in the 'Name' field and type in your new name. Your new display name will now appear as the sender's name whenever you send an email or participate in conversations.

And there you have it! With these simple steps, you can effortlessly update your mailbox display name in both the desktop and web versions of Outlook. Keep your professional and personal communications organized and tailored to your preferences. Happy emailing!