How to invite or Yammer group?
www.office.com/setup Blogs: If you are admin of the group, you can invite or add members to your group.
- In the list in the left column, click the name of the group to go to the Group homepage.
- At the top of the right-side column, click Add Members.
- Enter the user names or email addresses of the members whom you want to add to your group, and then select their names from the drop-down menu that appears.
Note that If you want to add more than one user at a time by using this method, you must press the spacebar or Tab key after you enter an email address.
Original Post: https://wiki.nus.edu.sg/pages/viewpage.action?pageId=144900523