Open R18 file

The most commonly used .r18 file type: Split Multi-volume RAR compressed file archive (part 20)

What is r18 file? Understanding and opening r18 files

r18 file icon Are you facing difficulties opening r18 files on your computer, or wondering exactly what r18 file is?
We've got the best software solutions for opening r18 files effortlessly.

.r18 file type #1: Split Multi-volume RAR compressed file archive (part 20)

An r18 file extension is related to the Split Multi-volume RAR compressed file archive (part 20) file.

Further details

The r18 file extension is associated with WinRAR. Its one part of a multi-volume compressed RAR archive.

Some RAR files can be parts of a multi-volume sequences. In WinRAR you can split a huge archive to a few smaller files, which are called volumes.

Older versions of WinRAR used either:

  • .rar or exe (SFX) for first volume
  • .r01, r02, r03 ....etc. for any additional volumes


  • .rar or exe (SFX) for first volume
  • .001, .002, .003 ....etc. for any additional volumes

The newer versions of WinRAR are using:

  • .rar or exe (SFX) for first volume
  • .part1.rar, .part2.rar, part3.rar ....etc. for any additional volumes

In order to unpack the multi-volume RAR archive, you need to place ALL of the split parts in the same directory and start extraction of the first volume. The program will automatically use all of the parts to extract the content of the archive.


Open r18 file with:

WinRAR icon


One of the oldest and most popular shareware file archiver and data compression utility

.r18 file type #2: Norton Ghost rar file

Files with r18 extension are associated with Norton Ghost program. They are used as a backup files.

Further details

The r18 file extension is used by Norton Ghost. Backup file in RAR compression format. The .r18 file extension is most often used by WinRAR for split archive file. This file format is described at this site

Open r18 file with:

Norton Ghost icon

Norton Ghost

Older disk cloning and backup utility from Norton

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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