Open REG files

  • Full name
    Windows Registry Data Format
  • Developer
    Microsoft
  • Popularity
Have you encountered a problem with a REG file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a REG file here. In the further part of this page we have added a list of programs that should open your REG file. It is enough you choose a proper application for your operating system, download and install it.

How to open file with REG extension?

In order to open a file with REG extension one of the following programs must be installed on user’s system. If a problem with opening REG file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with REG files, follow the instructions below.
1
Install Microsoft Registry Editor or other program from the list

Most often resolving problems with opening REG files is very simple. Just install an appropriate program that supports such files. All of the listed programs support REG files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of REG files or offer file conversion options, but may not be capable of editing such files.


Set Microsoft Registry Editor as the default program for opening REG files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate REG files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Microsoft Registry Editor applications is not on the list, select "Browse" option in order to manually locate the directory where Microsoft Registry Editor has been installed.

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Check the section that lists most common problems with REG files

Sometimes problems with opening REG files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • REG files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open REG files (should that be the case, please contact your system administrator or IT specialist)
  • REG file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)