OneDrive is the online document storage solution created by Microsoft which comes bundled as a free service with Windows 10. It can be used to store your documents and other data online in the cloud. It also offers synchronization of stored data across all your devices. "Files on-demand" is a feature of OneDrive which can display placeholder versions of online files in your local OneDrive directory even if they were not synchronized and downloaded. Today, we'll see how to sync any folder to OneDrive so it will be available from any device connected with your Microsoft Account.