What is .NUT file extension?
Video file saved in the NUT Open Container Format, a container format similar to .AVI, .ASF, and .MKV; supports several different audio and video codecs as well as subtitle information.
The NUT format was developed by the MPlayer, FFmpeg, and Libav teams. However, it did not gained wide popularity and therefore is an uncommon video format.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.