>I make a back up of my table and it's memo file everytime my app runs.
>Today I needed to recover the backup and I got the dreaded "memo file missing or invalid" message.
>Is there a way to recover the lost file?
>
>I had been changing the file extension from .FTP to .BKP
>I have now learned that I should be renaming the text on the other side of the decimal.
>
>Any help?

Do you have both .DBF and .FPT files? If you look into FPT with Hex editor, what do you see there?