Join as many text files as you want into a single file, and join them in any order. Features a custom delimiter option, which means you can add optional divider text between each file, as they are combined into one. There are no limits on the number of files that can be joined, nor on the file size (with the exception of your computer power). All text based file formats can be joined. Join Text Files is the easiest way to join text files on Microsoft Windows, and unlike some other tools it isn't a decade old.
Download and use it now: Join Text Files