What is DRG? What Opens a DRG? File Format List from WhatIs.com

File Extension

DRG File Format

AllyCAD file

DRG is a file extension for a computer-aided drafting (CAD) file format used by Knowledge Base's AllyCAD professional CAD Software.

CAD programs are used to create technical drawings and design plans by architects, engineers, drafters, artists, and other design professionals.


Learn more about DRG files:

Search for answers to CAD-related questions at IT Knowledge Exchange.

Visit the AlleyCAD web page.

This was last updated in September 2010
Editorial Director Margaret Rouse

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