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7-Zip Portable version for Windows is a free and open source file archiver developed and released by Igor Pavlov. The program is aimed primarily at users who compress executable files or larger files to facilitate the rapid transfer of data from one computer to another. The program can also be used as a digital photo data extractor. The unzip feature allows the user to combine multiple files into one zipped file, which can then be transferred to any other computer using a Zip disk or other compatible media.

Like many similar programs, 7-Zip is free software that has been available to the public for a long time. While the original version was only for Linux, a portable version is available for both Windows and MacOS X. While the software comes with an open source archiving utility called 7-Zip Compresser, which is based on the OpenOffice suite of office applications, others such features like sharing and collaboration remain secret. However, the portable version allows the user to compress files in a thumb format that is compatible with Windows Zip drives.

While there are a number of other file archiving utilities available for Windows, the portable version of 7-Zip is said to stand out due to the high compression ratio it achieves. Many programs cannot achieve the high compression ratio that 7-Zip Portable does, which makes the popularity of this new version even more astounding. The program developers assume that even professional users will be able to achieve a compression rate of about 95%. This high compression ratio allows you to save a file in just a few seconds without the need for a backup system. In addition to this, 7-Zip Portable is also available in multiple languages ​​including English, Spanish, Korean and Italian.