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Basic information about REG file

When there is a problem with opening files with the file extension REG（*.REG or *.reg）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the REG file yourself.

There are 2 file types using the REG file extension in our database. In the further part of this page, you will find detail information about all the REG file with their brief description and a list of programs that support REG file sorted by operating systems. The table below provides useful information about the REG file extension. It answers questions such as:

What is the REG file?
How to open a REG file?
What programs do I need to open a REG file?
What programs help to create and edit a REG file?
How to convert REG files to another file format?
How to convert another files to REG file format?

1.Detail information about REG file extension: Registry File

Software programs that will open, edit or convert REG files
File type	Registry File	Category	System Files
Developer	Microsoft	File format	N/A
Description	REG file is a Registry File developed by Microsoft. 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:Launch Regedit (From the start menu, select Run, type "Regedit")Select the section of the registry you are interested in modifyingFrom the File menu, select ExportChoose "Selected Branch" from the Export Range option at the bottom of the window.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.
Windows	Microsoft Registry Editor Advanced Regedit Advanced Registry Care Aiseesoft Registry Optimizer Eusing Free Registry Cleaner Free Registry Defrag Microsoft Windows Microsoft Windows NotePad NotePad++ Reg Organizer RegAlyzer Registrar Registry Manager Registry First Aid Registry Mechanic Registry Workshop RegistryBooster RegmagiK Registry Editor Ryll Registry Editor Smart Registry Cleaner WinASO Registry Optimizer Windows Registry Recovery Wise Registry Cleaner Professional

2.Detail information about REG file extension: Registration Information File

Software programs that will open, edit or convert REG files
File type	Registration Information File	Category	Settings Files
Developer	N/A	File format	N/A
Description	REG file is a Registration Information File.
Windows	Various programs
macOS	Various programs

Can't open a REG file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.REG”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the REG extension without any issue.

Where I can download the application that support REG file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.

How to change file associations?

Right-click a file with the extension whose association you want to change, and then click "Open With".
In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
Select the ”Always use the selected program to open this kind of file” check box.

Can I change the extension of REG files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.

What else may cause problems width open a REG file?

The reasons for the lack of the ability to open a REG file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a REG file. If there is still something wrong, you might want to check:

Whether the REG file is damaged.
Whether the REG file is incorrectly linked in the registry entries.
Whether the REG file extension has been accidentally removed from the Windows registry.
Whether the installation of an application that supports the REG file format is incompletely.
Whether the REG file is infected.
Whether the drivers of the equipment used for opening a REG file are up to date.
Whether your computer has enough hardware resources to open a REG file.

If the REG file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.