My excel file was working fine until yesterday.suddenly when i try to open
the file it giving the error message "file format is not valid " But i can
open the file in Ms WORD. AND I CAN SEE THE DATA.
SO WHAT I DID I COPIED ALL THE DATA AND PASTED IN NEW EXCEL SHEET.
I CAN GET THE DATA BUT NOT THE FORUMLA..??

I HAVE LOT OF FORMULA IN EXCEL SHEET.. CAN ANYONE HELP ME HOW TO RECOVER IT?
HOW TO OPEN THE EXCEL WHICH IS GIVING THE ABOVE ERROR.