If you are looking for "solid content" regarding the technology behind this file type, it refers to the following core features:
: It supports AES-256 encryption for both the file contents and the archive headers (which hides the filenames within the archive). K34.7z
: Using the LZMA and LZMA2 algorithms, 7z files often achieve much smaller sizes than standard ZIP files. If you are looking for "solid content" regarding