OneDrive is the online document storage solution created by Microsoft which comes bundled 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 which can display placeholder versions of online files in your local OneDrive directory even if they were not synchronized and downloaded. Here is how to enable or disable it.
As of this writing, this feature is now available in the Fast ring. Insiders who have installed Windows 10 Build 16215 will get the updated OneDrive client automatically very soon. The updated client software can be downloaded manually from the following link:
The official announcement states the following:
With Files On-Demand, you can access all your files in the cloud without having to download them and use storage space on your device. All your files—even online-only files—can be seen in File Explorer and work just like every other file on your device. You’ll be able to open online-only files from within any desktop or Windows Store apps using the Windows file picker. And you’re covered in both your home and professional life since it works with your personal and work OneDrive, as well as your SharePoint Online team sites.
To enable Files On-Demand in OneDrive, do the following.
- Click on the OneDrive icon in the notification area (system tray).
- The following flyout will appear.
There, click on the gear icon in the top right corner to access its settings.
- In the next window, go to the Settings tab.
Tick (turn on) the option named Save space and download files as you use them under FIles On-Demand.
That's it! To disable Files On-Demand, open the settings window of OneDrive app, and untick the option Save space and download files you have previously enabled.