Files with nnr extension are used by the Nikon Capture NX software. They include some settings data.
Software that open nnr file
NNR file extension - Nikon Capture noise reduction file
What is nnr file? How to open nnr files?
File type specification:
The nnr file extension is associated with the Nikon Capture NX digital photo editing and managing software for Microsoft Windows operating system. The .nnr file stores settings for noise reduction of photos.
The default software associated to open nnr file:
Company or developer:
Nikon Corporation
Nikon Capture is image processing and editing software distributed with Nikon digital cameras and used to edit digital photos from Nikon digital cameras and SLR cameras. It is able to open many picture file formats as well as Nikon RAW picture file formats.
In July 2014 Nikon has released a new software Capture NX-D and desupported Capture NX 2.
List of recommended software applications associated to the .nnr file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open nnr file, edit nnr file, convert nnr file, view nnr file, play nnr file etc. (if exist software for corresponding action in File-Extensions.org's database).
Settings file type for software that use nnr file - Nikon Capture noise reduction file
Programs supporting the exension nnr on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Nikon Capture NX-D for settings nnr file action.