7z.013

.7z.0137-Zip Split Archive Part 13

Igor Pavlov · 1999

Developer
Igor Pavlov
Category
Archives
MIME Type
application/x-7z-compressed
First Released
1999
Open Format
Yes
File Signature
No specific unique signature for individual parts; recognized by context within the 7z format.
At a Glance
.7z.013
7-Zip Split Archive Part 13

.7z.013 is the thirteenth part of a multi-volume archive created by the 7-Zip compression tool.

Reviewed on May 16, 2026
Compression
Lossless
Transparency
No
Editability
Low
Best for
Multi-volume archives

Key Features

  • Part of a multi-volume archive.
  • Created by 7-Zip software.
  • Requires all parts for extraction.
  • High compression ratio.

Best For

  • Archiving and compressing large collections of files.
  • Splitting large archives for easier handling and transfer.
  • Ensuring high compression ratios to save disk space.
  • Securely bundling multiple files into a single, manageable set.

Less Ideal For

  • Single, small files that don't need splitting.
  • Situations requiring instant access to individual files within the archive without extraction.
  • Sharing files with users unfamiliar with archive splitting.
  • Archiving very few files where compression benefits are minimal.

Common Use Cases

  • Transferring very large files across the internet.
  • Storing large datasets on multiple smaller storage devices.
  • Distributing large software or media files.
  • Circumventing email or file-sharing service size restrictions.

How to Open It

  1. Ensure all parts of the .7z archive (.7z.001, .7z.002, ..., .7z.013, etc.) are in the same folder.
  2. Download and install the 7-Zip application from the official website.
  3. Right-click on the first part (.7z.001) and select '7-Zip' -> 'Extract Here' or 'Extract files...'.
  4. 7-Zip will automatically use the .7z.013 part and all others to reconstruct the archive.

What is a .7z.013 file?

The .7z.013 file extension indicates that a large archive has been split into multiple smaller parts using the 7-Zip compression utility. This specific file is the thirteenth segment of a multi-volume archive. These split archives are created to make it easier to transfer large files, store them on smaller media, or bypass file size limits on certain platforms. You'll typically need to have all parts of the archive, from .7z.001 up to the last numbered part, in the same folder to successfully extract the original contents. The 7-Zip software will automatically recognize and process the sequence.

Programs That Open .7z.013 Files

PlatformProgram
Windows7-ZipFreeOfficial
macOSKekaPaid
The UnarchiverFree
Linuxp7zipFree
Android7ZipperFree
iOSiZipFree

Common Problems with .7z.013 Files

⚠️ Missing one or more archive parts.
Download all parts (.7z.001, .7z.002, etc.) and place them in the same directory before attempting extraction.
⚠️ Archive is corrupted.
Try extracting with 7-Zip's repair function if available, or re-download the affected part(s).
⚠️ Incorrect software installed.
Ensure you are using 7-Zip or a compatible archiver that supports multi-volume .7z files.

Frequently Asked Questions

Do I need to open the .7z.013 file directly?

No, you only need to open the first part of the archive (usually .7z.001). The software will automatically find and use the subsequent parts, including .7z.013, to extract the content.

What if I only have the .7z.013 file?

You cannot extract the archive with only one part. You need to obtain all numbered parts of the split archive starting from .7z.001.

Can I delete earlier parts of the archive?

No, all parts are necessary for successful extraction. Deleting any part will result in a corrupted or incomplete archive.

Technical Details

This file extension signifies a segment within a multi-volume 7z archive. Each part is a component of a larger compressed data set, typically using the LZMA or LZMA2 compression algorithm for high efficiency. The numbering indicates the order in which these parts should be processed by the 7-Zip application to reconstruct the complete original archive.

Did You Know?

7-Zip is renowned for achieving one of the highest compression ratios among popular archiving tools.
The multi-volume feature is crucial for handling archives that exceed the capacity of a single storage medium or transfer limit.

Security Information

Like any archive format, .7z.013 files can potentially contain malicious software. Always ensure you trust the source of the archive and consider scanning extracted files with antivirus software before opening them.

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