Passwords helps to protect the information from unauthorized access. But it is very common to forget the password of an important file. So to recover lost 7zip password, eSoftTools developed a tool known as 7zip Unlocker Tool. It is software which provides a platform for the user to provide 7z or 7zip archive file and then remove 7z password even if the password consists of characters of a language other than English. Possible characters which are supported by this 7z Password Cracker are Alphabetic (Uppercase & Lowercase), numeric, alphanumeric, and symbolic. Mixed password such as qwertYUI@123 can also be dealt easily to unlock 7z file password. The user can view every proceeding of the software on the screen for acknowledgment. This tool can open password protected 7-zip file with the help of three different algorithms such as Brute Force Attack, Mask Attack, and Dictionary Attack. With Brute Force Attack any type of password with any string length can be decrypted and restored with this 7z Password Unlocker Software. If password is somewhat, then try to unlock 7z or 7zip with Dictionary Attack. If only a few characters are unknown then try Mask Attack which is the fastest technique to unzip locked 7zip file. User can save the resultant password in clipboard for future. A demo version is also available on the official website. This tool works well for all Windows OS which involves the latest ones also.