The PBL file extension is used to refer to source code and script files in the PowerBuilder Rapid Application Development (RAD) system. PBL files can be accessed and edited with the appropriate software.
File extension PBL is associated with PowerBASIC. PowerBASIC is programming development tool. PBL file contains PowerBASIC library
The PBL file extension is associated with Publitor. File contains data, which is used by Publitor.