A ptb file extension is related to the Pro/Engineer, a 3D CAD solution for Microsoft Windows. A ptb file stores table.
.PTB file extension - Pro/Engineer table
What is ptb file? How to open ptb files?
File type specification:
The ptb file extension is associated with the Pro/Engineer (also known as PTC Creo), a 3D CAD/CAM/CAE solution created by Parametric Technology Corporation (PTC) for Microsoft Windows operating system.
The ptb file contains tables used by PTC Creo.
The default software associated to open ptb file:
Pro/Engineer (Creo Elements/Pro) 
Company or developer:
Parametric Technology Corporation
Pro/Engineer is integrated 3D CAD/CAM/CAE solution used to mechanical engineering, design and manufacturing. First version was released in 1997. Pro/Engineer runs on Microsoft Windows and Unix. In 2010 Pro/Engineer was renamed on Creo Elements/Pro.
List of software applications associated to the .ptb file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ptb file, edit ptb file, convert ptb file, view ptb file, play ptb file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting ptb files.
Software that open ptb file - Pro/Engineer table
Programs supporting the exension ptb on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Pro/Engineer (Creo Elements/Pro) for open ptb file action.
