7z.038

.7z.0387-Zip Split Archive Part

Igor Pavlov · 2000

Developer
Igor Pavlov
Category
Archives
MIME Type
application/x-7z-compressed
First Released
2000
Open Format
Yes
File Signature
Not typically defined as a unique signature for split parts; relies on the .7z signature of the first part and sequential naming.
At a Glance
.7z.038
7-Zip Split Archive Part

.7z.038 is the 38th part of a large file that has been split into multiple pieces using 7-Zip compression.

Reviewed on May 18, 2026
Compression
Compressed
Transparency
No
Editability
Low
Best for
Splitting large archives

Key Features

  • Represents a segment of a multi-volume archive.
  • Requires all parts to be present for extraction.
  • Utilizes 7-Zip's efficient LZMA/LZMA2 compression.
  • Facilitates storage and transfer of large datasets.

Best For

  • Splitting massive archives into manageable sizes.
  • Ensuring data integrity during large file transfers.
  • Maximizing storage space with high compression ratios.
  • Distributing large files across multiple disks or online storage.

Less Ideal For

  • Storing single, small files that don't require splitting.
  • Quickly accessing individual files within a large archive without extracting.
  • Users who prefer a single, self-contained archive file.
  • Situations where only one part might be available for transfer.

Common Use Cases

  • Distributing very large software installers.
  • Sharing extensive media collections (videos, music libraries).
  • Backing up large databases or system images.
  • Transferring extensive project files or archives over the internet.

How to Open It

  1. Ensure you have the 7-Zip program installed on your computer.
  2. Place all parts of the split archive (.7z.001, .7z.002, ..., .7z.038, etc.) in the same folder.
  3. Right-click on the first file in the sequence (usually .7z.001 or .7z.038 if it's the first part in a split starting from 038).
  4. Select '7-Zip' and then 'Extract Here' or 'Extract Files...' to begin the decompression process.

What is a .7z.038 file?

This file extension, .7z.038, represents the 38th part of a multi-volume archive created by the 7-Zip compression program. When a large file or a collection of files is compressed, it can be split into smaller, more manageable pieces to facilitate easier transfer or storage. Each of these parts is essentially a segment of the complete archive. To access the contents, all parts must be present and intact, and you typically only need to open the first file (e.g., .7z.001) with a compatible program to extract the entire original set of files. This method is crucial for handling very large datasets or when working within storage limitations.

Programs That Open .7z.038 Files

PlatformProgram
Windows7-ZipFreeOfficial
macOSKekaPaid
The UnarchiverFree
Linux7zFreeOfficial
PeaZipFree
Android7ZipperFree
iOSiZipFree
Web BrowserOnline 7z extractorFree

Common Problems with .7z.038 Files

⚠️ Missing one or more archive parts.
Ensure all numbered parts (.7z.001, .7z.002, ..., .7z.038) are downloaded and in the same folder before attempting extraction. Re-download any missing files.
⚠️ Archive parts are corrupted.
If a part is corrupted, extraction will likely fail. Try re-downloading that specific part or the entire archive if possible. 7-Zip has some recovery capabilities with recovery volumes (.rev files) if they were created alongside the archive.
⚠️ Unable to open the file.
Verify that you are trying to open the first file in the sequence (often .7z.001) and not a later part directly. Ensure you have a compatible 7-Zip extractor installed.

Frequently Asked Questions

What does the number '038' mean in .7z.038?

The number indicates the sequence of the file within a multi-volume archive. '038' means it is the 38th part of the split archive.

Do I need all the .7z files to extract?

Yes, you need all the sequentially numbered parts (e.g., .7z.001, .7z.002, ..., .7z.038) in the same directory to successfully extract the contents of the original archive.

Can I open just the .7z.038 file?

No, you should not open .7z.038 directly if it's part of a multi-volume set starting from .7z.001. You need to open the first file in the sequence (usually .7z.001) for the program to reconstruct the entire archive.

Is .7z.038 a standalone archive file?

No, it is not standalone. It is a segment of a larger archive that has been split into multiple parts.

Technical Details

Each .7z.xxx file is a segment of a larger 7z archive. The files are named sequentially to indicate their order within the complete archive. The 7-Zip format itself uses LZMA or LZMA2 algorithms for high compression ratios. When opening a multi-volume archive, the decompression software reads these parts in order, starting from the lowest numbered file, to reconstruct the original data.

Did You Know?

The 7-Zip format is known for its high compression ratios, often outperforming other common formats like ZIP.
Multi-volume archives are essential for overcoming file size limits on older storage media or certain online transfer services.

Security Information

As with any archive file, be cautious when opening files from unknown or untrusted sources, as archives can contain malicious executables or scripts disguised as regular files.

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