R12 File Extension

R12 file icon

Norton Ghost Rar

  • File Type r12
  • Developer Symantec Corporation
  • Popularity
    4.3 (40 votes)
  • Application WinRAR
  • Category Compressed Files

What is a R12 file?

The R12 extension is related to Norton Ghost Rar and is classified in the Compressed Files category, which contains 820 files.

Symantec, the developer of the Norton Ghost Rar (R12), has released file format and 26 programs designed to handle them.

R12 file support extends to various operating systems, including Windows and Mac OS. There are 3 programs available to extract a R12 file, including popular tools like WinRAR, Ez7z and 7-zip.

Programs that support R12 files

Mac OS logo

Mac OS

How to open a R12 file?

If you are having trouble opening a R12 file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Thanks to their popularity, WinRAR, Ez7z and 7-zip are often the go-to programs for managing R12 files. If you want the most recent release of WinRAR, head over to the win.rar GmbH site and download the version designed to run on all platforms.

After completing the installation, R12 files should be recognized by the system and linked to WinRAR.

Set WinRAR as your default R12 viewer

Set default app to open files on Mac

  1. Right-click or Control + left-click on the desired R12 file to open a menu of available actions;
  2. Choose "Open in Application" and click "Other";
  3. In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
  4. Select "All Programs" in this menu, and then search for WinRAR. Check the box next to "Always open in app" to make sure it’s the default option.

Change a default app in Windows

  1. To get started, right-click your R12 file, then choose "Open With" and select "Choose Another Application" from the context menu;
  2. From the list of applications in the pop-up window, find and select WinRAR as your desired application;
  3. Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening R12 files.

Solving Common R12 File Challenges

While R12 files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.

What Causes WinRAR to Crash Frequently?

Insufficient software updates are a likely cause of WinRAR crashes. Be sure to install the latest updates for win.rar GmbH products.

A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.

How can I restore a damaged R12 file?

Start a data recovery program and open the damaged R12 file. Then, choose the "Repair" option from the menu. Allow the recovery process to complete, which will automatically repair the damaged compressed files.

How can I determine if my R12 file is damaged?

Characteristics of corrupted R12 compressed files can include:

  • WinRAR or other programs stop responding or crash when trying to handle the file;
  • Error notifications appear during file manipulation;
  • When opening the file, errors occur or the inability to access its contents;
  • Unexplained R12 file size inflation;
  • Editing the archive in WinRAR is hampered by poor overall performance;

How to edit a R12 file?

To modify R12 files, you need to install special software that makes it possible to open and edit compressed files. Online R12 editors are more restricted compared to software designed for Norton Ghost Rar.

Best R12 Editor Software in 2026

Taking the above factors into account, we have selected a list of R12 editors currently available.

R12 Editor SoftwareDeveloperPlatformsOverall Rating
WinRARwin.rar GmbHWindows4.3 out of 5 (40 reviews)