Claude, thanks for the response. Actually the files show in the window in the "correct" sequence.
However, if I sort by name descending and then use the arrows to move the last slide to the top, I seem to get the sequence I want. So I guess that's what I'll do for now.
I've just discovered XnView and am very impressed. But I have a problem with the order of files in slideshows. Sort by name gets files displayed in following order; P9060001, P9200069, P9200068, P9200067 and so on. Sort by name descending gets; P9200069, P9060001, P9060002, P9060003 and so on. All ...