A general-purpose data-compression utility, Compressor 3.2.1 is distinguished by its unique design and special features that will be appreciated by many users, first of all by software developers, web designers, database developers, authors writing books in LaTeX environment, scientists engaged in research projects, - in fact, by all those working on projects involving hundreds of files organized in complicated directory trees that are distributed over different drives or folders on the user's computer: + it behaves like a good servant, whose presence you hardly perceive, but who is always at hand ready to serve you; + remarkable compression rate; + amazingly fast decompression; + outstanding encryption strength; + backup and restore tasks are performed by means of drag-and-drop operations, significantly reducing mouse-clicking and keyboard button-pressing; + ability to compress (and encrypt) data sources from single files of a few bytes, to complicated directory trees with thousands of files and hundreds of subdirectories taking dozens of megabytes on disk; + generation of complete lists of files compressed to archive or decompressed from archive.