If is a specific file you have encountered or are trying to create, 7zip File Compression: Maximizing Storage Space | Lenovo US
While there is no widely known software or public dataset specifically named , the .7z extension indicates it is a compressed archive created with 7-Zip. SLBmoon.7z
If "good text" refers to how the 7z format handles text files, it is generally considered one of the best choices: If is a specific file you have encountered
For text files, source code, and uncompressed data, the 7z format (using the LZMA/LZMA2 algorithm) typically achieves 30–70% better compression than the standard ZIP format. and uncompressed data