List Formatting Lost
 

Ok, I feel stupid asking this because it's probably user error, but I just
can't figure out what happened. I use a worksheet of about 4 tabs of lists
to track daily work. I Sorted my work for the day and then closed the file.
When I openeed it again, my lists are gone. The data that I had last
sorted/filtered is visible, but it's just the data, I can't sort, and there
are no column headers. When I closed the file I did not delete any data that
would cause the list to be deleted. When I look at the top row, it looks
like the list data is still there, because the row counts aren't consistent
(eg. 1,2, 723,724...) they reflect the data from my last sort. Is my data
just gone, or did I turn something off I'm unaware of. Also, can anyone
think of an error or maybe a shortcut key that would turn the list function
off on all 4 tabs of a worksheet? Any help or suggestions are appreciated.