Sort on opening a file



Does anybody know any way that I can get excel to sort data automatically
upon opening a file. I have a file that I use to keep track of my work where
I set 'next action dates' for each section. I would like to be able to get
Excel to automatically sort these so that each time I open the file the
earliest next action dates appear at the top, without having to sort them
manually each time.

Thanks
.