Fch.7z -

Details the specific compression algorithms (like LZMA or LZMA2 ) and encryption settings used for each stream.

These are the actual "chunks" of compressed data. Multiple small files are often grouped into a "solid" block to achieve higher compression. FCH.7z

Stores a list of every file and directory name, including timestamps and Windows/Unix attributes. Details the specific compression algorithms (like LZMA or

l (List contents of archive) command. Lists contents of archive. Examples. 7z l archive.zip. lists all files from archive archive. 7zip.bugaco.com 7z - cheat/cheatsheets · GitHub Stores a list of every file and directory

While it is a standard 7-Zip archive, the "FCH" prefix often indicates it contains or plugin data for the FreeCommander software. Internal Structure of the Archive

Right-click the file and select 7-Zip > Open archive . This lets you browse the folder hierarchy and view file sizes.

If you only need the list of names (useful for scripts), use: 7z l -ba FCH.7z l (List contents of archive) command - 7-Zip manual