Create an Office 365 group in the admin center
While users can create an Office 365 group from Outlook or other apps, as an admin, you may need to create or delete groups, add or remove members, and customize how they work. The Microsoft 365 admin center is the place to do this.
Office 365 connected Yammer groups must be created in Yammer, but can be managed in the Microsoft 365 admin center like other Office 365 groups. To learn more, see Yammer and Office 365 Groups.
Create an Office 365 group
Go to the Microsoft 365 admin center.
Go to the Office 365 admin center.
Go to the Office 365 admin center.
Choose Groups > Groups in the left navigation pane.
Choose Add a group.
Under Type, choose Office 365.
Type a name for the group.
Type a unique email address for the group.
Click Select Owner and then choose the name of the person who will be designated to manage the group. Anyone who is a group owner will be able to delete email from the Group inbox. Other members won't be able to delete email from the Group inbox.
Configure the group
Once the group has been created, you can add members and configure additional settings:
Add members to an Office 365 group
Users can add themselves or request approval, or you can add them now.
In the Microsoft 365 admin center, refresh the page so your new Office 365 group appears.
Click the group that you want to add members to.
Next to Members, choose Edit.
Click Add members.
Select the users you want to add, and then click Save.
Click Close three times.
The Office 365 group will appear in Outlook with members assigned to it.
Send copies of conversations to group members' inboxes
When you use the admin center to create a group, by default users do not get copies of group emails and meeting invitations sent to their inboxes. They'll need to go to the group to see conversations and meetings. You can change this setting in the admin center.
When you turn this setting on, group members will get a copy of group emails and meeting invitations sent to their Outlook Inbox. They can read and delete this copy of the email and not affect anyone else. In the Group inbox, a copy of the email still exists.
Group members can opt out of receiving these emails by choosing to stop following the group in Outlook.
In the Microsoft 365 admin center groups list, click the group you want to change, and then click Edit next to the group name.
Turn Send copies of group conversations and events to group members' inboxes to On if you want members to receive copies of group messages and calendar items in their own inbox.
Let people outside the organization email the group
This option is great if you want to have a company email address such as firstname.lastname@example.org.
Refresh your Microsoft 365 admin center page so your new Office 365 group appears.
Select the group you want to change, and then select Edit next to the group name.
Set the Let people outside the organization email the group toggle to On.
Who can delete email from the Group Inbox?
The Group owner can delete any emails from the Group Inbox, regardless of whether they were the initial author.
A member can delete an email conversation from the Group Inbox if they initiated it, and only using Outlook on the web (right-click the email, then click Delete). They can't do it from the Outlook app (Outlook 2016).
When an email is deleted from the group mailbox, it is not deleted from any of the group members' personal mailboxes.
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