Split Files is a straightforward tool for splitting and joining files via parts, size, or part numbers.
Split Files will come in handy when you need to split a file down for emailing due to size limitations, etc., and it makes the job very easy. The interface is user-friendly, lending itself to use for any skill level. It does include an option to create a .bat to merge parts back together without the app.
Split Files will be a handy tool for those that need to break down a file into more manageable parts, whatever the reason, and then merge them back into their original state.