Office 365 Shared Mailbox Not Showing in Outlook – MS Outlook Help!

Are you one of those who are facing “Office 365 Shared Mailbox not showing in Outlook application (desktop)”? If yes then go through this guide and learn three different walkarounds to fix this issue. Without any further ado, let’s get started with an overview of shared mailboxes in Office 365.

A Shared Mailbox is a mailbox that can be accessed by all the users who have been granted permission to access it. Every user can read and send emails depending upon the permission provided by the Admin. We can also say that a shared mailbox is a centralized service that allows multiple users to work in a synchronized manner.

Assigned users can access these shared mailboxes in their Outlook application. However, some users face issues while accessing a shared mailbox in the MS Outlook application. Therefore, in this blog, we will be presenting the solutions for the common issue faced by many users, that is “Office 365 Shared Mailbox not showing in Outlook application (desktop)”.

Like Leeman Tanacio, multiple other Office 365 users face difficulty as their Office 365 shared mailbox is also not visible in their desktop Outlook, whereas it’s visible in the Outlook web app.

Methods to Resolve ‘Office 365 Shared Mailbox not showing in Outlook’ Issue

To solve this query we have come up with 3 workarounds, such as:

Workaround #1: Adding Additional Shared Mailbox in Desktop Outlook

Generally, the shared mailbox should automatically come up when a user configures their account in Outlook. If it’s coming in an Online web App but not visible in Outlook desktop App, then this would probably be due to server-level problems. Otherwise, Outlook will give you an error message ‘The folder you selected is not available’. So, to solve such issues, users can manually add a mailbox to their account. Follow the below procedure:

Step 1. Open the Desktop Outlook Application, and go to File tab >> Account Settings >> Account Settings…

Step 2. Now, select your Office 365 account profile and then click on the Change button.

Step 3. From the Change Account window, click on the “More Settings” button

Step 4. Now, go to the “Advanced” tab, and click on the Add button.

Step 5. Enter the name or address of the shared mailbox and click OK.

After configuration, a shared mailbox will automatically be visible in the left pane of Outlook. (if you have full rights to this shared mailbox)

Workaround #2: Troubleshooting Shared Mailbox Synchronization in Desktop Outlook

There are a wide range of technical issues that a shared mailbox might suffer from. If there is a problem with synchronization of shared mailbox then try to disconnect and reconnect the Shared Mailbox in desktop Outlook. Following are the quick steps to disconnect and then connect back the shared mailbox to your Outlook profile:

Step 1. First, completely close the MS Outlook application.

Step 2. Then, Go to Start >> Control Panel >> Click on the Mail option.

Step 3. From the mail setup pop-up window, click on Email accounts.

Step 4. Now, choose your Office 365 account and then click on the Change button.

Step 5. Next, click on “More Settings”.

Step 6. Go to the Advanced tab and then click on the Remove button.

Close and reopen Outlook again and reconnect the shared mailbox by following the procedure in Workaround 1.

Step 1. Go to File tab >> Option >> Advanced tab.

Step 2. From the advance tab, checkmark the “Enable troubleshooting logging” and click on OK button.

Step 3. Restart Outlook and go to a temporary folder option. View the recent log file for the possible error causing such a problem. You can further investigate other problems that might be causing the Office 365 shared mailbox not showing in Outlook issue. Or, see Workaround 3 for fixing this problem completely.

Workaround #3: Exporting Shared Mailbox from Office 365

The above two workarounds should be able to solve your problem. If you are still facing this issue – Office 365 shared mailbox not visible in Outlook then, it’s a possibility that the shared mailbox access failed due to some unknown error. In this case, you can take the help of a professional tool to fix this issue. 

With the help of the SysTools Office 365 Office 365 to Office 365 Tool, you can easily migrate a shared mailbox to a user mailbox or another shared mailbox. In this way, you regain access to data. Moreover, the software allows you to migrate Office 365 mailbox to another user account. 

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Here are the steps to fix Office 365 shared mailbox not showing in Outlook:

• Step 1. Download, install, & Launch the Software. 
• Step 2. Choose Office 365 as the Source & Destination.
• Step 3. Set Required Mailbox Workload  & Apply Date Filter.
• Step 4. Login with Credentials & Validate Permissions. 
• Step 5. Add Shared Mailboxes & Click on the Start Button.

Conclusion

This blog carries the solution to the query “Office 365 shared mailbox not showing in Outlook”. We have covered three workarounds as a solution to the query. The first 2 workarounds are the most general reasons and will probably solve the issue. If the problem is not resolved then there are chances of unknown errors in a shared mailbox. In that case, you can simply migrate the shared mailbox data using the above-mentioned tool or contact the System Administrator for the re-configuring of the shared mailbox.