Yes, it will compress files, by how much depends on the file type and structure.
Use a video converter software to convert flv files to mpg files .
The pack command's algorithm uses Huffman encoding to compress files. This algorithm has fundamental limitations. Consequently, the pack command can only consistently compress files under 8MB. To consistently compress files larger than 8MB, use the compress command.
Winrar
video files (mpg file extension, MPEG file format). It is the same video file format. You can use booth file extensions.
Individual files and folders.
how do you compress all your files? I have a lot of files to Compress!
keep the files in the compress folders
HDTVtoMPEG2 can merge them together into 1 mpg file. It is fast as it doesn't covert anything.AutoGK can change them into one avi. This can take a while but it makes it a smaller with the same or similar quality.
http://www.howstuffworks.com/file-compression.htm/printable
The best answer is to compress the files ( Lops Leonel)
Files that are already compressed, such as multimedia files like MP3 or JPEG, are typically harder to compress further because they lack redundancy and patterns that compression algorithms can take advantage of.