Grouping up teams from different domains
Yammer is Microsoft’s enterprise social networking service used for communication within organizations. It works well with Office365.
Microsoft released a new collaboration feature in its Yammer enterprise social networking service and it’s all about external groups.What it does is permit Yammer collaboration with people outside an organization.
Bear in mind that it works only with the Yammer Enterprise edition, not Basic.
Microsoft has released Yammer’s new feature announcement.