Recover Excel 2007 passwords to open. Passwords to open are extremely hard to break in Excel 2007. To recover the password, a brute-force attack and a dictionary search must be used. There is no easy solution and no success guarantee. Unless the password is very short or a simple dictionary word, you have to spend a lot of computing resources to recover it. Because we cannot guarantee success, we suggest the following (maximally protecting your interests): You can use Excel 2007 Password program for free to recover the password. If the password cannot be found, you pay nothing. If the password is found, the program informs you and prompts you to pay the Service Fee. After the payment is made, you will receive the password. Only the passwords for opening Excel 2007 documents are difficult to crack. Other types of passwords (password to modify, workbook password, worksheet password) can be broken easily.