NDK

Lotus Notes database design elements
File type: Database file
An ndk file extension is related to the Lotus Notes and used for its database design elements.
Found 2 different file type records with the same ndk filename suffix.
What is ndk file?
File type category:
Database file
Date updated: January 10, 2018
The ndk file extension is associated with the Lotus Notes, a collaborative client-server software platform form Microsoft Windows, macOS (OS X) and Linux systems.
The ndk file stores database design elements.
How to open ndk file?
Use Lotus Notes to work with *.ndk files.
Suggested software to open ndk file:
Associated software actions with the ndk file
Software applications that can open ndk files:
IBM Notes (Lotus Notes) (Microsoft Windows)
Software apps that create ndk files:
IBM Notes (Lotus Notes) (Microsoft Windows)
Software applications that handle other tasks involving ndk files:
IBM Notes (Lotus Notes) (Microsoft Windows)
OS/2 saved disk format
File type category:
Various data file
Date updated: June 20, 2019
The ndk file extension is also used in the old OS/2 operating system and used some sort of saved disk format. Unique to OS/2 and thus somewhat obsolete.
Most likely some old format without support. No further information could be found.
Suggested software to open ndk file:
Associated software actions with the ndk file
Software applications that handle other tasks involving ndk files:
OS/2 (Other operating systems or devices)