: Uses advanced algorithms like LZMA and LZMA2 to achieve significantly smaller file sizes than standard ZIP archives.
: Can treat multiple files as a single continuous stream, which greatly improves the compression ratio for groups of similar files. IM1.7z
: Theoretically handles archives up to 16 exabytes (16 billion GB), far exceeding older format limits. : Uses advanced algorithms like LZMA and LZMA2