What is a Reg file?
A Reg file is a text file that contains Registry information and has the extension .Reg . Reg files can be created by exporting Registry data using Regedit.exe. Reg files can be edited with any standard text editor such as notepad. Finally, Reg files can be imported into the Registry using Regedit.exe. Many texts recommend that you avoid making direct changes to the Registry. Instead, they recommend that you export the desired tree to a Reg file, make a backup copy of the Reg file, make changes to the Reg file with a text editor, then import the changed data into the Registry. If anything goes wrong, you can usually import the backup copy of the Reg file into the Registry to undo your changes.
