Microsoft has planned and set up 8 different Office 365 Labs webcasts that will be delivered during September and these are the topics that will be discussed in the webcast.
1. Office 365 Labs – Using PowerShell to automate tasks
2. Office 365 Labs – Mastering Azure AD Connect
3. Office 365 Labs – Mail flow
4. Office 365 Labs – Getting the best out of Outlook and Exchange Online
5. Office 365 Labs – OneDrive Synchronization 101
6. Office 365 Labs – Sharing and collaboration with internal and external users in SharePoint Online
7. Office 365 Labs – AD FS and multi-factor authentication explained
8. Office 365 Labs – Exchange Online compliance features (In-Place Archive, In-Place Hold, eDiscovery)
Please use this link below to enroll yourself for these sessions
Vignesh's SharePoint Thoughts 
It’s really great introduction about how to use office 365.
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