Home : File Types : REG File (2 File Associations)

.REG File Extension

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File Type 1Registry File

DeveloperMicrosoft
Popularity
4.4 (35 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategorySystem Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Updates the Windows Registry when run; custom REG files can be created to alter different aspects of Windows; to create your own registry update file, follow these steps:

  1. Launch Regedit (From the start menu, select Run, type "Regedit")
  2. Select the section of the registry you are interested in modifying
  3. From the File menu, select Export
  4. Choose "Selected Branch" from the Export Range option at the bottom of the window.
  5. Save the file as a ".reg" file.
NOTE: Manually updating the Windows registry is an advanced process and should only be performed if you know exactly what you are doing. Incorrect registry updates may render Windows inoperable.
Programs that open REG files
Microsoft Windows LogoWindows
Microsoft Registry Editor
Updated 2/14/2007

File Type 2Registration Information File

DeveloperN/A
Popularity
3.5 (12 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategorySettings Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Stores registration key, serial number, and other user registration information for a certain program; created when registration is completed; referenced by the program when opened to authenticate the user, but not meant to be opened manually.

Programs that open REG files
Microsoft Windows LogoWindows
Various programs
Mac OS X LogoMac
Various programs
Updated 6/9/2009