.PTB File Extension Description:

File extension PTB is a file format of the kind of files under Pro/ENGINEER Table. It was developed by PTC. Pro/ENGINEER Table is a three dimensional product. It features productivity tools that encourage fine practices in design. At the same time, it ensures conformity with the industry and the standards set by the company.

The characters used to identify this file are Hex: 23 55 47 43 3A 32 20 or ASCII: \UGC:2. The file is associated with another file called Peachtree Complete Accounting Backup Data File. This file was developed by Best Software SB, Inc. It is also connected to PubTach Batch Works Script and Power Tab Guitar Tablature Editor.

Learn more about .ptb files here: http://ptb.file-extension-library.com/