From the “App Launcher” in the top left corner, “Admin”. Open the “Exchange Admin Center” from the menu, as shown in the image below…
In the “Exchange admin center“, click on “recipients” and select “shared” and click (+) for adding new shared mailbox.
“New Shared Mailbox” window opens on your screen. Fill the required information for creating new mailbox like “Display name”, “Email address” and “Users“. Click on “+” sign under “Users” to add all users who will access this “shared mailbox”.
Now, new window appears on your screen. Select user(s) by searching them in the “Search” box. Click OK. In following image, two users – “user 1” and “user 2” are added.
Now, you can see full information filled by any user in following image. Click on “Save” button.
Go back Exchange admin center dashboard and see your created shared mailbox in your screen.
For “mailbox delegation“, click on the mailbox created in previous step. In the new window, select “mailbox delegation” and click on (+) sign, to add new user.
Select new user and click on “add”. Click OK.
Now, user add in your added user’s lists. Click “Save”. You can see all selected users in following image.
Your shared mailbox is created along with mailbox delegation in Microsoft Office 365.
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