.PTW File Extension
File TypeAutoCAD Publish To Web File
What is a PTW file?
Settings file used by AutoCAD, a CAD application used for 3D design and documentation; stores properties for a drawing that has been published to a Web format; placed alongside the published HTML content so that the Web Publishing Wizard can track what has been published.
Publish To Web Template files, which are stored in .PWT files, can be created to repeat the publishing process for one or more drawings.