FileInfo.com - The File Extensions Resource

.PIC File Extension

File Type 1	Generic Picture File (Most common)
File Format	File
Common?	No
File Description	Bitmap image created IBM Lotus or a variety of other applications; possible programs include Advanced Art Studio, Micrografx Draw, and SoftImage 3D; should not be confused with the .PICT format.
Program(s) that open pic files	Mac: Apple Preview; A picture viewer; Program that originally created the file Windows: Corel Paint Shop Pro; Micrografx Draw; ACDSee Photo Manager; A picture viewer; Program that originally created the file

File Type 2	QuickTime PICT Image
File Format	File
Common?	No
File Description	PICT Image generated by Apple QuickTime or QuickDraw
Program(s) that open pic files	Mac / Windows: Apple QuickTime Player

File Type 3	Houdini Raster Image
File Format	File
Common?	No
File Description	Native Houdini Deep Raster format; can store any number of planes per pixel
Program(s) that open pic files	Windows / Unix: Side Effects Software Houdini

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/pic