Live Avatars Microsoft uses LZX compression on Xbox Live Avatars to reduce their disk and bandwidth requirements. Decompressing LZX files The unlzx program and XAD can unpack Amiga LZX archives. The cabextract program can unpack Microsoft cabinet files using the LZX method. There are a multitude of cross-platform tools for decompiling or viewing CHM files, as stated in the CHM article. LIT files can be unpacked using the Convert LIT software. See also List of archive formats Comparison of file archivers References External links The LZX page, including many versions of the Amiga LZX archiver unlzx source code cabextract (includes source code) wimlib (included source code) Convert LIT (includes source code) Microsoft's LZX DELTA specification Amiga Lossless compression algorithms