How to Add a Shared Mailbox in MS Outlook?

Himanshu Goyal
Himanshu Goyal | Updated On - November 03, 2022 |

Read time 8 minutes

There are valid reasons behind the millions of user base of MS Outlook, it is the plethora of amazing features it offers. It has in the truest sense revolutionized the email management platforms.

Many individuals make the most of Outlook to carry on with their daily communication process among each other as well as with those who are outside their organization. If you are also using Outlook for your email needs, you may need to add a shared mailbox at some point. Adding a shared mailbox is a fairly easy process, but there are a few things you need to do before getting started.

In this post, we will discuss all about the shared mailboxes and how to add them in MS Outlook. So, if you are looking for the same, read on!

What is a Shared Mailbox?

A shared Mailbox allows a group of people to receive, view, monitor and send emails from a common email address. When a member replies to a message, the sender’s email is that of the Shared Mailbox and not of the individual. This keeps all the member’s email addresses confidential and ensures an up-to-date communication. This comes very handy when all the mailbox members are interacting with a huge set of customer base on the same topic like a sales, marketing or customer service team.

What is the need of a Shared Mailbox?

You might be wondering that what is the need of an added mailbox. But much to your surprise, there are multiple reasons behind professionals preferring these Shared Mailbox apart from their personal mailbox-

  • A single point of contact for all the individuals who are outside the company.
  • They also bring along a Shared contact list and Shared Calendar which have their own benefits.
  • It is easier to track all the conversations in a single email thread and divide work accordingly.
  • A single email copy is stored unlike in Distribution Lists.
  • A separate mailbox ensures lesser confusion, additional storage space and multiplies the productivity.
  • The response time of the concerned team reduces, ensuring better customer support.
  • These mailboxes promote collaboration and transparency among the members.

Pre-requisites of a Shared Mailbox in Outlook-

These are a few basic requirements that must be fulfilled before you can add a shared mailbox in MS Outlook 2013, 2016, or 2019:

  • The shared mailbox must be set up and available in Microsoft 365
  • MS Outlook has to be configured with your Microsoft 365 account
  • The administrator has already given you access to the shared mailbox
  • The shared mailbox must be configured to allow external access.
  • The shared mailbox must have an email address and display name associated with it.

Once these prerequisites have been met, you can proceed to add the shared mailbox in Outlook.

Ask the admin to add you to the shared mailbox in Microsoft 365, then you need to close and start MS Outlook again. After restarting Outlook, the shared mailbox might appear in your folder pane below the primary mailbox. However, if this doesn’t happen, you can add the shared mailbox manually.

Adding Shared Mailbox to Outlook

Shared mailboxes take some time to appear in the Outlook folder pane. However, if it doesn’t work for you, then you can add it manually by following the below steps:

  1. Start MS Outlook and go to the File tab.
  2. Click Account Settings, and then select Account Settings from the menu.
  3. Now, click the Email tab, and ensure that the right account is highlighted.
  4. In the Email tab, click Change at the bottom.
  5. A new tab will appear on the screen; click More Settings>Advanced>Add.
  6. Now, provide the shared email address to which the admin has added you, and then click Ok.
  7. After that, click Next>Finish>Close.

The shared mailbox will now appear in your MS Outlook below the primary mailbox. Now, you can send or receive emails using this mailbox.
shared mailbox

Using a Shared Mailbox in MS Outlook

After adding the shared mailbox to your Outlook, you can use it to send or receive emails. Let’s have a look at how to send emails from Shared Mailbox in Outlook.

  1. Open MS Outlook and click New Email above the folder list. A new message window will appear on the screen.
  2. Click the ‘…’ icon at the top of the message, and then select Show From.
    Show From
    Note: The ‘Show From’ option shows that the receivers will receive the email from a shared mailbox address.
  3. If you’re using the shared mailbox for the first time, then you will have to add the email address in the From section drop-down list:
    • Right-click on the ‘From’ option and click Remove.
      click Remove
    • Enter the shared mailbox address, so the next time you send an email from the shared mailbox, it will appear as an option in the ‘From’ drop-down menu.
  4. Now, to add recipients, type the email or name of the person in your contact list or the organization’s address list.
  5. Enter the subject related to the email, and then type the message that you want to send.
  6. After typing the message, click Send.

The email will be sent from the Shared Mailbox address.

Let us also learn how to reply to the email received in the Shared Mailbox. Follow the steps given under to do so:

  1. Open Outlook.
  2. Open the email message you wish to send a reply to.
  3. See the name of your shared mailbox in From at the top of your message. If you do not find the name then you should find your shared mailbox name in the From drop-down menu.
  4. Type your reply/message and press Send.
  5. To find the address to which you wish to send a message, you will find that address in the From drop-down list.
  6. Note that when you send a message from your shared mailbox then your shared mailbox address will only be shown to the recipient of your message.

Save Sent emails from a shared mailbox

When you send an email from the shared mailbox, then the copy of the same is stored in the Sent Items folder and not in the shared mailbox. To make sent items be stored in the shared mailbox, you need to edit the settings of the shared mailbox. Let us learn how to do so:

  1. Log into Microsoft 365 admin center.
  2. Select Groups.
  3. Select shared mailboxes.
  4. Select your shared mailbox.
  5. Select Edit next to Sent Items.
  6. Set On the following:
    • Copy items sent as this mailbox
    • Copy items sent on behalf of this mailbox
  7. Select Save.

Now the sent items of the shared mailbox will be copied in to the shared mailbox.

Using the Shared Mailbox Calendar

A shared mailbox calendar is shared with the members of the shared mailbox. As a member, you can create, edit, and delete events in the Calendar. However, if you don’t have access to the shared mailbox calendar, then you can access it easily with the following steps. The steps are given for Outlook on the web.

  1. Use Outlook on the web to signin to your account and then select Calendar.
  2. From the Calendar menu, right-click on the Other Calendar option and select Open Calendar.
    Open Calendar
  3. In the ‘From Directory’ look for the shared Calendar, you want to open, select the Shared mailbox linked with the Calendar, and then click Open.
  4. The Shared Calendar will appear in your Calendar list.

Using a shared contact list

Once the admin has added you as a member of the shared mailbox, restart Outlook. The shared contact list of the shared mailbox will be added to the My Contacts list automatically. To use contacts of the shared mailbox, follow the steps given below:

  1. Open Outlook and choose People.
  2. Under My Contacts, choose the folder of the shared contacts list.

You can view the shared contacts now.

Adding and using Microsoft 365 Shared mailboxes with MS Outlook is one thing, but if you want to backup your shared mailboxes, then it’s necessary to have a backup plan in place, or you can also opt for an automated solution like Kernel Office 365 Backup & Restore to backup and restore Office 365 mailboxes automatically. Besides, if you want to import Outlook PST files to Office 365, then this software can be convenient. So, this is an essential tool for all Office 365 users.

With the help of this software, you can backup and restore your emails, contacts, calendars, tasks, notes, etc. from your Exchange Online account. The software provides an easy-to-use graphical user interface that makes it easy to use for all users. Moreover, the software supports all versions of Microsoft Exchange Server and Microsoft Outlook. So, if you are using any of these versions, then you can use this software to backup and restore your data easily.


Shared Mailboxes have the greatest features of Microsoft 365, which allows you to send and receive emails from a common email id. So, we have created this article to help those users to understand all about Shared Mailboxes, the pre-requirements, adding procedures, and even using it. Moreover, users must take backup of all their mailboxes to avoid any kind of data loss.

Moreover, if you are looking for a hassle-free way to manage a shared mailbox in Microsoft Outlook, Kernel Office 365 Backup & Restore & Backup tool is the perfect solution for you. This software allows you to not only add but also restore shared mailboxes without any data loss or corruption. So what are you waiting for? Try it today.