How to Manually Add a Shared Mailbox in Outlook Desktop
Question details
The user needs to manually add a shared mailbox in Outlook because automatic mailbox mapping (automapping) has been disabled by administrators.
- Product
- Microsoft Outlook
- Device & OS
- not provided
- Scenario
- Accessing a shared Exchange mailbox when automapping is turned off.
- Observed behavior
- The shared mailbox does not automatically appear in the Outlook folder pane and must be configured as an additional mailbox in account settings.
Ensure that your Exchange administrator has granted you 'Full Access' permissions to the shared mailbox, and verify that your primary Outlook account is currently online and connected to the server.
Add the Shared Mailbox via Outlook Account Settings
Use the advanced account settings in Outlook to manually attach the shared mailbox to your primary Exchange account profile.
When Exchange administrators disable automapping to improve Outlook performance, shared mailboxes will no longer automatically populate in your folder list. You will need to manually map the mailbox using your existing Exchange credentials.
Launch Outlook Desktop. Click on 'File' in the top-left corner, select 'Info', then click on the 'Account Settings' button and choose 'Account Settings' from the drop-down menu.
In the Email tab, click on your primary Exchange email account to highlight it, then click the 'Change' button located above the account list.
In the new window that appears, click the 'More Settings' button in the bottom-right corner, then navigate to the 'Advanced' tab.
Under the Mailboxes section, click 'Add'. Type the exact email address or display name of the shared mailbox you want to add, and click 'OK'.
Click 'OK' to close the More Settings dialog. Click 'Next', then 'Finish', and finally 'Close'. The shared mailbox will now appear at the bottom of your folder pane on the left side of Outlook.
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Frequently Asked Questions
Why didn't the shared mailbox appear automatically?
If your IT administrator has disabled 'automapping' for your account to optimize Outlook performance, the shared mailbox will not appear automatically in your folder pane. You must add it manually through your advanced account settings.
Do I need a separate password for the shared mailbox?
No. Shared mailboxes do not have their own login credentials. As long as your administrator has granted your primary account 'Full Access', Outlook uses your primary account's credentials to authenticate and open the shared mailbox.
Can I send emails from the manually added shared mailbox?
Yes, provided you have 'Send As' or 'Send on Behalf' permissions. When composing a new email, ensure the 'From' field is visible (go to Options > From) and select the shared mailbox address from the drop-down list.
Why am I getting a permission error when trying to expand the shared mailbox folders?
This usually occurs if your 'Full Access' permissions haven't fully replicated across the Exchange server yet. It can take up to 60 minutes for newly granted permissions to take effect. If the issue persists, contact your IT administrator.
