.PBK file extension

This is the basic program to work with .PBK extension

UME-36 Content Manager UME Old Format Phone Book

The program works with the following extensions: cal, sms, pbk and pbb

.PBK extension is also supported by the following program:

Pixel Bender Toolkit Pixel Bender Kernel file

This application enables you to create, edit, and play with Pixel Bender filters.