extension file in .emz

I was a beginner in the computer, there are some files that I do not understand its extensions, such as the file extension emz
according to the information I get, there are several things that concerned with the emz files with this extension, among the windows, the file is associated with the registry of windows itself

on googling, I found some information related to this file extension emz, the many image files from the microsoft office and also from Visio microsift have emz file extension such as this, the file format emz this technique has been combined with gzip, because this file can be described by using a program incorporated in gzip

question that appears is, Do you have difficulty in accessing some types of files, or you find your computer becomes slower and more unstable than it should? from the windows registry is the central access to your computer, if you experience problems with your registry files, please scan your computer you use some online scans to find out kestabilannya, such as scan to file extension emz