UndoPDF Excel Password Cracker is a professional software application which can help you crack Excel passwords in case you forget or lost the passwords for important Excel files in the format of *.xlsx or *.xls. UndoPDF Excel Password Cracker has the capacity to crack Excel passwords that are created by any version of MS Office Excel 2010/2007/2003/2000/1997. Three effective methods are provided to crack Excel passwords: the dictionary attack, the brute-force with mask attack, and the brute-force with mask attack (trying all possible combinations.)

You can free download the Trial Version, which can be used free for only 20 times. If you want to buy it, please read the price list at the end of this page first, and after you select the proper one, please click Full Version

UndoPDF Excel Password Cracker has a user-friendly interface, which is composed of five parts as illustrated below:

The first part is the button bar, which has six buttons. The first three buttons are for cracking Excel passwords, for example, if you want to input an Excel file, whose password you want to get back, you can click the first button Open. The last three buttons is about this software application, for instance, if you want to know more information about the usage of UndoPDF Excel Password Cracker, please click the last button named About.
The second part is the File name edit box and the button following it named Open File. After you input an Excel file, you can view the directory and name of the input file. Or, you can click Open File to change it to another Excel file.
The third part is an essential part, where there are options for decryption methods. As you can see there are four tabs: Recovery, Brute-force, Dictionary, and Option. The tab Recovery control is the default one. For example, if you want to try all possible combinations, you don't need to select options in this part, just click Open in the first part to add an input file, then click Start to start the process. For another example, if you want to use the Brute-force attack, you should click the second radio box preceding Brute-force with Mask Attack, and then click the second tab Brute-force to switch to the Brute-force tab control and select options there.
The fourth part is a window, which will display the time and information about input and output files. The last part is named Process Indicator. After UndoPDF Excel Password Cracker starts working, the current password and current speed will be displayed there.