File with this extension could be infected by W32.Sobig.D@mm. Use anti-virus software and control this file. Extension Associated with W32.Sobig.D@mm Worm. Data file used by iPi, a pi calculation program; saves the progress of a user's pi calculation; Pi is the ratio of the circumference to the diameter of a circle, and is approximately 3.1415926536.
Blazing Paddles image format.