LHA is a compressed file format commonly used in Japan for archiving and compressing files. It uses the LZH compression algorithm, which is known for its high compression ratio. LHA files are often used in software distribution and are compatible with many archive utilities, particularly in the Japanese computing market.
7Z is a compressed file format used by the 7-Zip software. It provides high compression ratios, making it ideal for compressing large files and directories. 7Z files are compatible with several file archivers, including the free 7-Zip utility, which can compress and extract files from 7Z archives.