You can upload your files to JioCloud using any of the JioCloud apps.
For Mobile Devices:
Auto-Backup:Enable Auto Backup from the app settings (Settings -> Auto Backup) if you wish to automatically back up your content or upload entire folders. Choose file types, folders, and the upload. Your backed-up content will be available in the ‘My Files’ -> ‘All Files’ section on JioCloud.
Manual Upload:Use the ‘Upload (+)’ button on the files screen to select and upload photos, videos, music or documents.
For the JioCloud Website:
Drag and drop files or folders directly onto the web interface to upload them.