>>This looked promising, but when I attempt it, the file encrypts and if I try to use it, it says it is not a table. All is well with that, but when I run the decryption on it and try to pull up the output table decrypted, I get an error message saying the table has become corrupted. What am I doing wrong?
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>You can't encrypt a table and still be able to use it. If you want to hide the data, you must encrypt the data inside each field. But this means that your system will work very slooooowly. If you want speed and security, you must use for instance SQL server for data storage.

cryptor works reasonably fast - the other tools probably as well...