This is a Vista issue and not an Excel issue.

You need to add the year also to your file names. Vista provides facilities
for bulk rename.

"finerman" wrote:

I prepare a A/R spread sheet each day and save them at the end of each day.
All sheets were kept in date order from 1/1 to 12/31. Now that 2009 has
started the 2009 sheets are co-mingled with the 2008 rather than continuing
on with the newest date at the bottom of the list How to I sort all the
files so that they are in order. I have vista and 2007 excell. all the files
are on an external drive that only has these spread sheets on it. There is
lots of room on this drive.