Company with 45000 employees and 18000 users of IT services worldwide make strategic decision to implement O365. They took in consideration how to connecting different teams worldwide which needs to colaborate together, working on various projects etc. As final solution was taken hybrid solution, moving exchange, Skype and SharePoint totally in a cloud. Using of Azure Active Directory features shows as a win-win situation to users and first level support. During presentation will be shown how with combining different products and techniques we can make huge save even in enterprice environment positioned globaly.