I have install this excel program for almost 10 yrs now and been working fine until last week........ i was working on a september program book that i save my work day on everyday and i do back up at the end of the month......on september 15 i tried to open my book and the book is nowhere to be find .i did the window search and it find a book that is located in a different folder, and no september work on it ....did i loose my september for good .....and what should i do to start all over again .......thank u all

ScottGem

If you can't find the file you created, it somehow got lost. Sounds like you will need to recreate. Don't you do backups?