HIKVISION DS-7604NI-KI/W User Manual page 109

Step 4 Select video files from the Chart or List to export.
Click to play the record file if you want to check it.
Check the checkbox before the record files you want to back up.
The size of the currently selected files is displayed in the lower-left corner of the window.
Step 5 Export the videos.
Click Export All button to export all the files.
Or you can select recording files you want to back up, and click Export button to enter
Export interface.
If the inserted USB device is not recognized:
 Click the Refresh button.
 Reconnect device.
 Check for compatibility from vendor.
You can also format USB flash drives or USB HDDs via the device.
Network Video Recorder User Manual
Figure 7-2 Result of Normal Video Search for Backup
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