File Extension

7z File Format

7-Zip open source file archive format with high compression ratio

7Z is a compressed file format used by 7-Zip archiver. 7Z files are compressed using open-source LZMA compression, which has a high compression ratio. 7Z files can be opened using any decompression software, such as WinRAR.

MIME: application/x-7z-compressed

Learn more about .7Z files:

Download the 7Z archiver for free at 7-Zip.org.

Search on IT Knowledge Exchange for .7Z-related questions.

This was last updated in October 2010
Editorial Director Margaret Rouse

Ask a Question. Find an Answer.Powered by ITKnowledgeExchange.com

Ask An IT Question

Get answers from your peers on your most technical challenges

Ask Question

Tech TalkComment

What made you want to look up 7z 7-Zip open source file archive format with high compression ratio? Please tell us where you read or heard it (including the quote, if possible).

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.