Thanks ever so much. I knew it was something really simple - turns out it was something really stupid. My database was not downloaded into the correct folder!!! Now that it is in the formula folder, I will take a look at the file extensions and see if any of them need to be moved into the correct subfolder. Thanks for that tip! Now I can open these up and try to learn how they were made. Thanks also for the tip on other sites to get files from, that's even better. Sorry to bother you guys - I'm such a greenhorn here - but I really! appreciate your time!! Thanks Stotty - your message clinched it!!