PART4.RAR file: How to open? The best software for opening part4.rar files

PART4.RAR

Split Multi-volume RAR compressed file archive (part 4)

File type: Archive and compressed file

A part4.rar file extension is related to the fourth part of the Split Multi-volume RAR compressed file archive.

What is part4.rar file?

File type category:
Archive and compressed file

Date updated: July 19, 2025

The part4.rar file extension is associated with WinRAR. Its one part of a multi-volume compressed RAR archive. The extension is actually only rar, the .part(number) is added to the file name of the archive.

RAR is the native format of WinRAR archiver. Like other archives, RAR files are data containers, they store one or several files in the compressed form. Compressed archives are common on internet, especially on sharing sites.

After you have downloaded RAR file from Internet, you need to unpack its contents in order to use it. Comparing to ZIP file format, RAR provides a number of advanced features: more convenient multipart (multivolume) archives, tight compression including special solid, multimedia and text modes, strong AES-128 encryption, recovery records helping to repair an archive even in case of physical data damage, Unicode support to process non-English file names and a lot more.

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

Or:

.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, part4.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.

How to open part4.rar file?

The part4.rar (e.g. Avatar.part4.rar file) file is only one part of RAR multi-volume archive. If you want to extract this file, you must have all parts of the RAR multi-volume archive. Open the first part of RAR (e.g Avatar.part1.rar file) multi-volume archive in WinRAR application and extract files from RAR multi-volume archive.

How to convert part4.rar file?

It is not possible to convert only one part of RAR multi-volume archive. Only complete RAR archive can be converted in to another archive or compression format. The easiest way how to convert complete RAR multi-volume archive is to decompress the RAR archive with the use of WinRAR and repack the content with another compression or archive application of your choice.

Suggested software to open part4.rar file:

Associated software actions with the part4.rar file

Open

Software applications that can open part4.rar files:

WinRAR (Microsoft Windows)

7-zip (Microsoft Windows)

Stuffit (Microsoft Windows)

StuffIt Deluxe (Microsoft Windows)

PeaZip (Microsoft Windows)

WinZip (Microsoft Windows)

StuffIt Deluxe for Mac (Apple macOS / Mac OS X)

WinZip Mac Edition (Apple macOS / Mac OS X)

Create

Software apps that create part4.rar files:

WinRAR (Microsoft Windows)

Extract

Software apps that extract part4.rar files:

WinRAR (Microsoft Windows)

7-zip (Microsoft Windows)

Stuffit (Microsoft Windows)

StuffIt Deluxe (Microsoft Windows)

StuffIt Expander (Microsoft Windows)

PeaZip (Microsoft Windows)

WinZip (Microsoft Windows)

StuffIt Deluxe for Mac (Apple macOS / Mac OS X)

StuffIt Expander for Mac (Apple macOS / Mac OS X)

StuffIt for Mac (Apple macOS / Mac OS X)

WinZip Mac Edition (Apple macOS / Mac OS X)