RAR (4.x) file format

A RAR archive using the RAR 1.5-4.x format.

MIME type: application/x-rar-compressed
Extensions: .rar
Category: Archives & compression

Magic-number signature

0x00000000

526172211A0700

Rar!···

'Rar!' RAR4 signature

About the RAR (4.x) format

RAR 4.x is the legacy WinRAR format still produced for compatibility; it uses a seven-byte signature ending in 00. Many RAR archives in the wild predate RAR5.

Related formats

RAR5
7-Zip
ZIP

Have a file that might be RAR (4.x)? Identify it with the File Type Identifier — it reads the magic number locally, nothing is uploaded. Or browse all formats.