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7Z File Format

7Z is the archive format of 7-Zip: strong compression, usually smaller archives than ZIP, but it needs 7-Zip or a similar program.

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Maximum 1 GB

7Z at a Glance

Type	Archives
Full name	7-Zip Archive
File extensions	.7z
MIME type	`application/x-7z-compressed`
Developed by	Igor Pavlov
Introduced	1999

Convert 7Z to Other Formats

7Z to ZIP

Convert Other Formats to 7Z

Frequently Asked Questions

What is 7Z used for?

7Z compresses better than ZIP, so archives take less space to store and send.

How do I open 7Z files?

7Z files open in 7-Zip, WinRAR, The Unarchiver, PeaZip. If you don't have such a program, convert the file to a format you can open with the converter on this page — free and without registration.

How do I convert 7Z files?

Drop the file into the converter at the top of this page, choose the output format and click "Convert". Files are deleted from our server automatically after 48 hours.

Is it free?

Yes, all converters are free, with no registration and no watermark.

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