Since PIF is not English, I assume that it is an acronym. Thefreediction.com lists these acronyms for PIF, none of which appears to fit here. Will somebody share the secret code? PIF Program Information File (file extension) PIF Pacific Islands Forum PIF Proteolysis Inducing Factor (tumor product) PIF Pay It Forward (movie) PIF Pooled Income Fund PIF Paid In Full PIF Public Investment Fund PIF Picture Interchange Format PIF Policies-In-Force (insurance) PIF Prolactin Release-Inhibiting Factor PIF Participant Information Form PIF Property Investment Fund PIF Productivity Investment Fund PIF Prototype Integration Facility PIF Professional Investor Fund PIF Public Information Film (UK) PIF Policy Investment Framework PIF Personnel Information File PIF Pilot Information File PIF Payload Integration Facility (NASA) PIF Productivity Improvement Fund PIF Project Information File (design document) PIF Peace Implementation Force PIF Productivity Improvement Factor PIF Personal Info Form PIF Packet Input FIFO (Cisco) PIF Physics Is Fun (school program) PIF Performance Influencing Factor PIF Procurement Information Form (Canada) PIF Price Increase Factor PIF Peripheral Interchange Format PIF Personnel Identification Feature PIF Phase Interface Fading PIF Poke-International Forums PIF Process Information Form PIF Physical Integration Filter PIF Pay Information File PIF Provisions of Industrial Facilities PIF Production Integration Facility PIF Production Information Form PIF Place In Inactive File/Folder