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You must have Org admin access.
Steps
- In Manager, on on the left navigation pane, click Groups.
- Click the group to which you want to add users.
- In the Group members dialog, click + to display to create a field for the new group member.
If you already have more than eight users in the group, you might need to scroll down to see the new user field. - In the new user field, click and browse the list of users.
Select the user you want to add and click Update.
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