Tick the Replace Existing Email Addresses option.Choose the Recipient Type and enter the email IDs to be modified.(can modify email IDs for both mailbox users and mail enabled users). Choose the Modify SMTP Address option.On selecting all the mailboxes, click on Apply for the changes to reflect. Browse and import the CSV files containing the details of the mailbox user and modified user names.Select the corresponding Microsoft 365 Tenant.Choose the Mailbox Naming Attribute Changes option.

Navigate to Exchange Online > Mailbox Management > Exchange Mailbox Tasks.

This tool helps you to simultaneously modify the user names and mail IDs for multiple users. It's easy,simple to use and it redefines the Microsoft 365 management techniques. M365 Manager Plus is an intuitive Microsoft 365 reporting, managing, monitoring, auditing, and alerting tool. To perform bulk changes, you need an effective Microsoft 365 management solution like M365 Manager Plus.

But what if you want to do it for multiple users all at once? There's no way Microsoft 365 admin center can help you with this. There, you can choose a particular user and change their email ID and display name. You might need to sign in again to some apps and Windows devices.If you wish to change a user’s display name or email address, you can do so using Microsoft 365 admin center by navigating to Users > Active users > Account tab. Going forward, you'll sign in to your personal Microsoft account with your personal email address.

Select Remove next to your work email address to remove it from your account.If your personal email address does not have (primary alias) listed next to it, select Make primary to set it as your primary alias.If your work or school email address is the only one listed, enter your personal email address, or get a new one from Microsoft, and select Add email or Add phone number.If you already have a personal email address listed there, you can skip this step.Select Manage how you sign in to Microsoft.Sign in to the Your Info page of your Microsoft Account.To change the email address associated with your personal account: Your Visual Studio or MSDN subscriptions are linked to your Microsoft account.

You could lose access to some developer tools. You are part of our Xbox Developer community.You use a Windows phone running Windows 8.You may not want to rename your Microsoft account if:

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