1. [Home](https://www.g2.com/) 2. ... 3. [Encryption Software](https://www.g2.com/categories/encryption-software) 4. [7Z Discussions](https://www.g2.com/products/7z/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_f7fe78091bfbbe3048a641bfd42bf9f3/7z.jpg "Product Avatar Image") ](/products/7z/reviews) [ 7Z ](/products/7z/reviews) (18)4.5/5 7z is a high-compression archive format developed by 7-Zip, designed to offer superior compression ratios and robust encryption capabilities. Its open architecture allows for the integration of various compression, conversion, and encryption methods, making it a versatile choice for efficient data storage and transfer. Key Features and Functionality: - High Compression Ratio: Utilizes advanced algorithms like LZMA and LZMA2 to achieve significant data compression, reducing file sizes effectively. - Strong AES-256 Encryption: Ensures data security by encrypting files with the AES-256 standard, safeguarding sensitive information. - Support for Large Files: Capable of handling files up to 16 exbibytes, accommodating extensive data sets without compromising performance. - Unicode File Names: Supports Unicode, allowing for the use of international characters in file names, enhancing compatibility across different languages. - Solid Compression: Combines multiple files into a single compressed stream, improving compression efficiency, especially for similar files. - Archive Header Compression: Compresses archive headers to further reduce overall archive size. Primary Value and User Solutions: The 7z format addresses the need for efficient data compression and secure storage. By offering high compression ratios, it minimizes storage requirements and accelerates file transfers. Its robust AES-256 encryption ensures that sensitive data remains protected, making it ideal for both personal and professional use. The format's support for large files and Unicode file names enhances its versatility, catering to a wide range of user needs. Overall, 7z provides a reliable and efficient solution for managing and securing large volumes of data. Show More * * * ### 72.0 Nps Score Already have 7Z? ### All 7Z Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # Why is 7-Zip better? ](/discussions/why-is-7-zip-better) Why is 7-Zip better? 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