SharePoint Online is a service that leverages the capabilities of the SharePoint platform in the cloud, but it differs in some areas when compared with the on-premises version. It can aid collaboration between people in your organization, and has the following capabilities:

• Enterprise portal
• Intranet sites
• Extranet sites
• Content management for managing files and synchronization with OneDrive
• Search portal
• Rich-editing online, with coediting and authoring, viewing, and sharing
• Enterprise workflow with capacities extended by Microsoft Flow