Reg.exe

Here are some pretty cool ways to work with the Windows registry. Regedit Multiple Instances Start multiple instances of Regedit by appending the command-line parameter -m, e.g.: regedit -m. Multiple instances of RegeditExporting/Importing Favorites Regedit’s favorites are a handy way to get to keys you often need. The list of favorites is stored in the registry (where else?): HKCU\Software\Microsoft\Windows\CurrentVersion\Applets\Regedit\Favorites. Exporting the favorites to a .REG file can easily be automated with reg.exe (see below).

Sometimes it is necessary to export/import data from or into the registry for some sort of additional processing. To this end, often regedit is used to create .REG files, which store a human-readable text interpretation of the registry content. .REG files can be edited easily with any capable text editor (even Notepad), and thus are a common way of making a collection of settings available to others. By the way, importing a .REG file’s data silently is done with the following command: