I used the joining function only.
Using WinME: Yamb freezes when you click the ADD function, Workround is to drag and drop thee files into the Yamb window.

Files are not listed in the right order, No sort function (clicking in the discription column doesn't work either); nor can you highlight more than one file at a time to move up or down.

that means you have to drag each individual file up or down.

An added prob is that if you want to move a file up you will have to highlight that file each time you use the up arrow key.