.NSMP File

File extension nsmp seems to be primarily associated with the Nord Sample Editor, an audio editing tool for Microsoft Windows and Mac that allows users to create samples for Nord electronic keyboards.

Typically, an .nsmp file stores sample prepared for keyboards.

How to open:

Use Nord Sample Editor to open and work with .nsmp files.

How to convert:

Nord Sample Editor supports WAV and MIDI formats and you can import your own audio data or export them from the projects.