Extract text from Mac 7-Zip archives (S7Z)
To convert S7Z archives to another format, you need The Unarchiver or other Compressed software.
To convert other file formats to the "Mac 7-Zip Archive" file type, you need software like The Unarchiver or a similar tool.
The .S7Z file is a Mac OS X 7-Zip compressed archive. It uses the highly efficient LZMA compression algorithm to bundle multiple files, folders, or large datasets into a single, compact package.
On Apple systems, these files are primarily handled by third-party extraction tools like The Unarchiver or Keka, which are built upon the open-source 7-Zip architecture.
Users often struggle with this format because it is virtually unrecognized outside of specialized macOS utilities. Native operating system tools, such as Windows File Explorer or the default macOS Archive Utility, do not recognize the .S7Z extension. This triggers frustrating "unsupported format" errors and leaves users locked out of their own documents. You cannot simply double-click the file to access your data.
The most practical solution is to extract the contents and convert the archive into a ZIP or TAR file. Converting to ZIP guarantees compatibility with almost every operating system and web browser in the world. No data or internal files are lost during this conversion, though the resulting ZIP file will likely have a slightly larger file size due to its older, less aggressive compression method.
This file format is difficult to open because the obscure extension obscures the standard data structure underneath, causing standard online converters to reject the upload. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your S7Z file, detects the exact format, and lets you read the text inside.
Users also converted 001, CE and NTFS files.
If you want to convert S7Z file to , you can use The Unarchiver or similar software from the "Archive Compression" category. In the File menu, look for Save As… or Export….
To convert files to S7Z, try The Unarchiver or another comparable tool in the "Archive Compression" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our S7Z converter.