1. Log into your DVR/NVR
2. Connect your external USB storage device to your NVR/DVR’s USB port
3. From the top menu, Click on device management
4. From the menu on the left, Click on Advanced Settings
5. Then click on Export
6. Select the video(s) you want to export, select the time and date you wish to export and click on the export tab on the bottom of the page, select the destination location on your USB External Storage device and complete the process.