This document summarizes a presentation about using PowerShell to administer SharePoint Online. It introduces the speaker and their background in SharePoint administration. It then covers how the role of SharePoint administrator has changed with services moving to the cloud in Office 365. It demonstrates how to connect to SharePoint Online and Office 365 tenants using PowerShell modules. It shows examples of common management tasks like getting sites, creating sites, setting site properties. It also introduces the Client Side Object Model and SharePoint PnP PowerShell module for additional capabilities. Finally, it lists the speaker's top 10 most useful PowerShell cmdlets for SharePoint Online administration.