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If you have Windows 10 or Office 2016, this utility may already be installed on your machine and can easily be connected to your Office 365 account. It allows you to sync files between your computer and the cloud. By default, it will maintain a synced copy of all of your files in both locations. You can work directly with your files in File Explorer and access your files even when you are offline. If it is not already installed on your machine, or for more information and instructions on setting up OneDrive Sync see: Sync with OneDrive.
OneDrive Files On-Demand
Files On-Demand is a setting within OneDrive Sync that is disabled by default. When this setting is enabled, you can choose which files will use storage space on your local machine. You can still work with your files from File Explorer but will not be able to access any files designated as “online-only” without Internet access. For more information and instructions for setting up OneDrive Files On-Demand see: Use OneDrive files on demand.