Opening Rgs File
Rgs extension stands for Registry SCripts files. You may try to open rgs files with installshield setup development software.
Windows Registry: It is a system that include all the sets which are found in Windows. Rgs is registry setting file that used by many different programs. Generally rgs file is found in install-setup packages.
Normally, registry files use reg extension. To run reg files you should make double click.
Opening methods of Rgs file
installshield setup development software
Links to opening Rgs file