An nde file extension is related to the Surveillance video file format.
NDE file extension - Surveillance video file format
What is nde file? How to open nde files?
File type specification:
The nde file extension is associated with the Surveillance video file format.
The nde file contains video data from surveillance camera systems.
Seems to be rare used or obsolete file format.
This nde file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.