7z.008

.7z.0087-Zip Archive Part 8

Igor Pavlov · 2000

Developer
Igor Pavlov
Category
Archives
MIME Type
application/x-7z-compressed
First Released
2000
Open Format
Yes
File Signature
No specific signature for individual parts; the structure is defined by the sequence and file naming convention.
At a Glance
.7z.008
7-Zip Archive Part 8

.7z.008 is a segment of a multi-part archive created by 7-Zip, used for splitting large archives.

Reviewed on May 16, 2026
Compression
Compressed
Transparency
No
Editability
Low
Best for
Splitting large archives

Key Features

  • Part of a multi-volume archive
  • Requires the first part (.7z.001) to open
  • High compression ratios
  • Uses LZMA/LZMA2 algorithms

Best For

  • Splitting large archives for easier transfer
  • Maximizing storage space with high compression
  • Distributing large files across multiple parts

Less Ideal For

  • Archiving single, small files
  • When quick, simple compression is needed
  • If compatibility with basic unzipping tools is a priority

Common Use Cases

  • Storing and transferring very large files or collections
  • Distributing large software installers or datasets
  • Archiving extensive media libraries
  • Backing up large amounts of data

How to Open It

  1. Ensure you have the 7-Zip application installed.
  2. Download all parts of the archive (.7z.001, .7z.002, ..., .7z.008, etc.) to the same folder.
  3. Open the first part (.7z.001) using 7-Zip; it will automatically recognize and use the subsequent parts to reconstruct the archive.

What is a .7z.008 file?

This file extension, .7z.008, is not a standalone archive format but rather a segment of a larger, multi-part archive created by the 7-Zip compression program. When a large file or a collection of files exceeds the size limit for a single archive, 7-Zip can split it into multiple smaller parts. The first part is typically named .7z.001, the second .7z.002, and so on, with subsequent parts like .7z.008 representing a continuation of the compressed data.

Programs That Open .7z.008 Files

PlatformProgram
Windows7-ZipFreeOfficial
macOSKekaPaid
The UnarchiverFree
Linux7-Zip (p7zip)Free
Android7-ZipFree
iOSiZipFree

Common Problems with .7z.008 Files

⚠️ Archive won't open or is corrupted.
Ensure all parts of the archive (e.g., .7z.001 to .7z.008 and beyond) are present in the same folder and have not been modified. Try re-downloading the entire set.
⚠️ Cannot open archive on a different operating system.
Use a compatible archiver program (like 7-Zip on Windows, Keka or The Unarchiver on macOS) that supports multi-part 7z archives.

Frequently Asked Questions

Do I need all the .7z.00x files to open the archive?

Yes, you need at least the first file (.7z.001) and all subsequent parts up to the last one to successfully extract the contents of a multi-part archive.

Can I open just the .7z.008 file by itself?

No, the .7z.008 file is only a segment and cannot be opened or extracted independently. You must open the first file in the sequence (.7z.001).

What is the difference between .7z and .7z.008?

.7z is a single, complete archive file. .7z.008 is a part of a larger archive that has been split into multiple files.

Technical Details

Each .7z.008 file contains a portion of compressed data from a larger archive. These parts are sequential and depend on each other for the archive to be fully reconstructed. The format utilizes the LZMA or LZMA2 compression algorithm, known for its high compression ratios.

Did You Know?

The multi-part archive feature is crucial for overcoming file size limitations on platforms like email or cloud storage.
7-Zip's LZMA2 compression is highly efficient, often achieving better compression ratios than ZIP archives.

Security Information

While 7-Zip supports AES-256 encryption, the security of the archive depends on the password used. Ensure you are downloading archives from trusted sources, as any file type can potentially contain malicious content.

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