Only managed users can be added to groups.
Prerequisite
You must be:
- An Admin
- A Co-admin with the Manage groups permission enabled
to add managed users to groups.
- Go to Admin Console > Users & Groups.
- Click the Groups tab.
- Click the name of a group.
- In the Members section, click Edit.
- Click Add Members.
- Enter the names of one or more managed users in your organization.
- (Optional) Select Set as Group Admin if you want all of the added users to also be group admins.
- Click Add.
- Click Save.