Q: What is PDF Password Recovery and what can it do for me?
A: If you want to open, copy, extract or print an encrypted PDF file without the password, then the PDF Password Recovery will be helpful. It displays the open password and helps to remove all the restrictions placed on the PDF document, making it available for you to do the editing.
Q: What PDF versions does it support?
A: All versions through Adobe Acrobat 9.0 are supported.
Q: Can I use it to remove the restrictions other than the open password?
A: Yes, definitely. After the process is completed, the program will show you the open password and allows you to remove all the passwords from the file for you to edit freely.
Q: Is it easy to use?
A: Yes of course. Just select an attack type and leave the whole task to the program will be OK. There is no human interaction needed. When the attack is finished, the program supports to shut down the computer automatically. So, it is quite easy to use.
Q: What is brute-attack?
A: Brute-attack is easiest attack type that is frequently preferred by new users. After you input the document and click "Start", you don't have to set anything, but to leave the program do the whole job itself will be OK.
Q: What is mask? What is brute-force attack?
A: Mask is the hints you offer to the program. For example the possible password length, the possible characters in the password, the cases of the password, etc. Brute-force with mask attack is to look up the password according to the hints you offered to the program. When compared to brute force attack, this brute-force with mask attack is based on password clues, which is time-saving.
Q: What is dictionary?
A: Dictionary is a commonly used terminology in the field of password attack. The dictionary is a text file that the program is based on to attack the password. A dictionary is listing characters, numbers and character sets and the like which may be the most frequently used as password parts, like a, ab, 12, 09, ab1, etc. The program is to look up the password based on the dictionary. This dictionary can either be the integrated dictionary file or a dictionary user creates.
Q: What is the program priority?
A: Changing Program Priority allows you to control the allocation of processing resources on your computer. A multi-tasking operating system such as Windows, allows you to run multiple programs simultaneously, but most computers have only one central processor. This means the OS must divide the total amount of work, and the processor must perform between those programs. While each application has a priority that is automatically determined by the OS, the default allocation of resources among running tasks doesn't always provide maximum system productivity. So you may set the program priority for preferred system productivity.
Q: What is Idle?
A: A computer processor is described as Idle when it is not being used by any program. If you choose Idle here, it means the processor will only perform Office Password Recovery.
Q: What is High?
A: While the computer processor is performing multiple programs simultaneously, if you set the PDF Password Recovery as High, it indicates the processor will allocate more processing resources to it. This will definitely increase its performance. However, in this case, other programs on the system won't receive an appropriate share of processing resource, which may reduce their performances.
Q: What's the difference between the demo version and the full version?
A: For the demo version, passwords longer than 3 characters can't be displayed. Remove all passwords from the file is not available either. The full version can attack passwords of any length and supports to remove all passwords from the file for editing.
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