Outlook- Adding a Shared Mailbox

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Overview

This article provides step-by-step instructions to add a shared mailbox in the New Outlook, both on the desktop client (Windows/Mac) and in the Outlook Web App (OWA). Shared mailboxes allow teams to manage group emails collaboratively without sharing login credentials. This guide will help you quickly access a shared mailbox to send, receive, and manage messages efficiently.

For additional help, you can also watch the instructional video on YouTube: How to add a Shared Mailbox to the New Outlook

Procedure

Outlook Desktop Client (Windows or Mac)


Step 1:

Open the New Outlook from your desktop. 

Step 2: 

In the left navigation pane, right-click the account that has a Shared Mailbox. Select, Add shared folder or mailbox.

Step 3:

Enter the name or email address of the shared mailbox, then click Add

 

Note: The shared mailbox will appear in your folder list and remain there for future sessions.

 

Outlook on the Web (OWA)- Method 1

 

Step 1:

Go to https://outlook.office.com and sign in with your NMSU email address and password. 

Step 2:

In the left navigation pane, right-click the account that has a Shared Mailbox. Select, Add shared folder or mailbox.

Step 3:

Enter the name or email address of the shared mailbox, then click Continue

Note:The shared mailbox will appear in your folder list and remain there for future sessions.

 

Outlook on the Web (OWA)- Method 2

 

Step 1:

Go to https://outlook.office.com and sign in with your NMSU email address and password. 

Step 2:

In the top right-corner, click your profile picture. A dialog box will appear, select Open another mailbox. 

Step 3:

Enter the name or email address of the shared mailbox, then click Open

 

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Details

Details

Article ID: 19173
Created
Tue 7/22/25 10:02 PM
Modified
Wed 7/23/25 12:04 PM
Environment
What service, system, process, application, or product could be impacted? Has anything changed in the environment recently? Environment statements are specific to the issue and resolution, and are true before and after resolution.
Outlook

Related Services / Offerings

Related Services / Offerings (1)

Provides Email Support for NMSU community, which includes configuring email clients, email on mobile devices, web access, login, and any other email related troubleshooting issues.