Any File Split & Join is the app that is used to split the files in small files and to join these files again into your original files. You can choose to divide the files according to a number of files you want or according to the length of files you want for every small file. You can send any part of the document through an email or to your contact list. The apps has the features of multithreading, progress control and drag and drop. When you split the document, an individual line cannot end up in two separate files. You can also include a header to appear on every file after the separation.