Used to split files into suitable sized pieces before sending or copying them, and assemble the pieces to the original ones after receiving them. ExpressSplitter can do this well for you and it can deal with a lot of files or folders as well as one single file. It has high efficiency and easy-to-use interface.To make it convenient to split and assemble files, ExpressSplitter has some features such as: Clicking the right button of mouse in Explorer to split or assemble files; Making Self-Assembling .EXE so that you needn't send ExpressSplitter itself to your friends.