.NRT File Extension
File Type 1Nokia Ringtone
What is an NRT file?
Ringtone format used by Nokia cell phones; saves melodies as MIDI data, similar to a .MID file; can be converted to other more common formats using the Nokia Sound Converter included with Nokia PC Suite.
File Type 2Neat Contact File
.NRT File Association 2
Contact file created by NeatWorks, a digital document organizing system; contains an exported Neat contact file that can be shared between Neat users; replaced by the .NDX extension with the release of Neat 5.
To import a NRT file into Neat 5, select, navigate to your NRT file, and click .