Converting distribution list to a shared mailbox is not possible. You will need to delete the distribution group and create/rename a new/existing shared mailbox with the same support@ email address.
How do I convert a distribution list to a mailbox in Office 365?
How to Convert a Distribution List into a Mailbox
- Write down the DG’s LegacyExchangeDN. To do so, you can run the cmdlet: Get-DistributionGroup “DG_name” | Select LegacyExchangeDN;
- Delete the DG;
- Create a (shared) mailbox with the same SMTP address;
- Add the DG’s legacyExchangeDN as an X500 address to the new mailbox.
Is distribution list same as shared mailbox?
A distribution group is a collection of two or more people that appears in your organization’s address book. When an email message is sent to a distribution group, it goes to all members of the group. While, a shared mailbox is a mailbox that multiple users can use to read and send email messages.
How do I edit a distribution list in a group?
Go to the new Exchange admin center, and navigate to Recipients > Groups. Select the distribution list group (also called a distribution group) that you want to upgrade to Microsoft 365 group from the Groups page. Select the Upgrade distribution group from the tool bar.
How do I add a mailbox to a distribution list?
How to Add Emails to a Distribution List in Outlook
- Open the Outlook desktop app and select the Home tab, then select Address Book.
- In the Address Book window, select the distribution list.
- In the Contact Group window, go to the Contact Group tab, select Add Members, then choose the location where the contact is stored.
Can you send from a distribution list?
In Microsoft 365, you can send email as a distribution list. When a person who is a member of the distribution list replies to a message sent to the distribution list, the email appears to be from the distribution list, not from the individual user.
What is the difference between email group and distribution list?
Microsoft 365 groups are used for collaboration between users, both inside and outside your company. They include collaboration services such as SharePoint and Planner. Distribution groups are used for sending email notifications to a group of people.
How do I add multiple owners to a distribution list?
If you want to add more than one owner to the distribution group, separate users by using a comma. If you don’t include the current owners in the command, the current owners will be replaced by the new list.
What can an owner of a distribution list do?
Owners: A group owner can add members to the group, approve or reject requests to join or leave the group, and approve or reject messages sent to the group. By default, the person who creates a group is the owner. All groups must have at least one owner. .