Quick Cab Pro - Version 6.2 This is an upgrade from Quick Cab 6.0 (pro). You must already have quick cab 6.0 installed for this upgrade to work. Visit our Quick Cab site to download Quick Cab 6 if you don't have it. Online registration is available. Quick Cab performs compression, creates setup.exe and setup.inf, provides you with 448 bit encryption and much much more. A vital tool for all users.