ALZ是一种存档格式，可以由ALZip进行压缩和解压缩，ALZip是微软ESTsoft的存档和压缩程序。ALZ针对非常大的档案进行了优化。
ALZ is an archive format that can be compressed and decompressed by ALZip, which is an archive and compression program from ESTsoft for Microsoft. ALZ is optimized for very large archives.
