Outlook: Changing Mailbox Display Name

Logan Jul 18, 2026

Modern digital communication involves managing multiple email accounts, a task made easier with client-side software like Microsoft's Outlook. If you've recently changed your identity, perhaps due to marriage or a professional name change, updating your display name across all your email accounts can seem like a daunting task. This guide will walk you through changing your mailbox display name in Outlook, ensuring consistency and professionalism across your digital platforms.

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

Changing your mailbox display name is a straightforward process that only requires a few steps. Before we dive into the process, it's crucial to note that the display name change is account-specific. This means you'll need to update your display name for each of your Outlook accounts separately. Let's start with the Microsoft Outlook web app, as it's accessible from any device with an internet connection.

two screens showing the settings for different items in an email form, one with new message and the other with notifications
two screens showing the settings for different items in an email form, one with new message and the other with notifications

Changing Your Mailbox Display Name in Outlook Web

Out of all the available methods, updating your display name using the Outlook web app is the most straightforward and universally accessible approach. Here's a step-by-step guide to help you through the process:

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

Accessing Your Profile Settings

To change your display name, you first need to access your Outlook profile settings. This can be done by clicking on the gear icon in the Outlook web app's top-right corner and selecting "View all Outlook settings." Alternatively, you can directly visit the settings page by appending "/settings" to your Outlook web address, like this: https://outlook.office365.com/mail/settings

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

The gear icon, also known as the "Settings" or "Options" icon, typically appears as three small, vertical dots (⋅⋅⋅) or a small, cascading menu. The appearance can vary slightly depending on the Outlook version and device you're using.

Updating Your Display Name

Once you're in the settings, navigate to the "Account/Profile" section. Here, you'll find an option labeled "Display name." Click on the field to edit your current display name, and enter your new name. After making the change, click anywhere outside the field to save your new display name.

The New Microsoft Outlook.com, Graymail, and a Zen Inbox
The New Microsoft Outlook.com, Graymail, and a Zen Inbox

It's essential to understand that updating your display name in the settings won't inherently change your email address. This means that any previously sent emails will still display your old display name in recipients' sent and received folders. If you want to avoid any confusion, consider sending a brief informative email to your contacts, announcing your name change.

Changing Your Mailbox Display Name in Outlook Desktop App

If you're a Microsoft Outlook desktop app user, follow these steps to update your display name:

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Make Important Email Standout in Outlook with Color Coding

Accessing Your Account Settings

To begin, open the Outlook desktop app and click on the "File" tab in the top-left corner. From the menu that appears, select "Info." Here, you'll find your account name displayed under the "Account Information" section. Click on the account name to access the 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
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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
a wooden mailbox sitting in front of a house
a wooden mailbox sitting in front of a house

Updating Your Display Name

The "Account Settings" dialog box should now be open. Select the email account you want to update and click "Change..." under the "Email address" field. A new "Change Account" dialog box will appear, allowing you to update your display name in the "Your Name" field. Enter your new name and click "OK" to save the changes.

Remember, changes made to your display name in the Outlook desktop app will reflect across all connected devices and platforms, including the web app and mobile apps. However, updating your display name in the Outlook desktop app won't inherently change your email address, much like the web app process.

Updating your mailbox display name in Outlook is a quick and effortless process that helps maintain consistency across your digital platforms. By keeping your display name current and relevant, you ensure a cohesive and professional digital presence. Happy emailing!