AutoCAD File Extensions - Section 3 Programming

A list of file extensions and what they are used for and what they mean.
Written by Allan, Jan 2004


Fast loading AutoLISP file. Or a complied AutoLISP file. These types of files cannot be viewed with a text editor.


AutoLISP file. Can be viewed and edited with a text editor


Dialog Control Language description file. This can give AutoLISP files a nice dialog box that makes them easier to use.


ObjectARX. It is a programming environment and provides an object-oriented C++ application programming interface for the customization or extending of AutoCAD based products.


VBA. Visual Basic programming


ObjectDBX. It is a software library that allows developers to access, read and write AutoCAD .dwg files and intelligent object databases. This type of file does not need AutoCAD present to create or edit .dwg files.


Visual List eXecutable
Need drafting work?
We are having great success with With this website we can win all types of drafting work. People from all over the world are looking for freelancers skilled in AutoCAD, Revit, Civil 3D and Microstation, are you one of those people? If so you can live the freelancer lifestyle! and work from any location you want too., it works really well - we like it - and we believe you will too.

Looking for CAD drafters?
With modern construction, software and increased legal requirements, we often require specialized assistance with our projects. Putting skilled staff on full time is not always economically feasible for small businesses. solves this problem. On this website you can engage skilled drafters. Either on fixed prices for specific tasks, or reasonably priced hourly rates for longer term contracts.

E-book: AutoCAD Block Best Practices
We draw repetitively when using AutoCAD. If we manage the drawing elements as reusable contents, it will increase our productivity significantly. Not only can we draw faster, we can add information to our blocks. Which allows us to generate useful reports. This is what Edwins e-book entitled AutoCAD Block Best Practices is all about. Yes, increase your productivity with the block!