A pnb file extension is related to the XWE (eXtendable Wad Editor) and used for its data files.
Software that open pnb file
PNB file extension - XWE data
What is pnb file? How to open pnb files?
File type specification:
The pnb file extension is associated with the XWE (also known as eXtendable Wad Editor) for Microsoft Windows a lump editor capable of managing the lumps of WAD files.
The pnb file stores some kind of data used by XWE.
The default software associated to open pnb file:
XWE allows users to view and edit sprites, textures, flats, sounds, SOCs, level headers, and any other type of lump included in WAD file.
List of recommended software applications associated to the .pnb 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 pnb file, edit pnb file, convert pnb file, view pnb file, play pnb file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with pnb file - XWE data
Click on the software link for more information about XWE. XWE uses pnb file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).