We are ready and able to work with you on your electrical distribution needs, from transformer vault construction and high voltage power substation construction. The Robert Henry Corporation is the right choice for your high voltage electrical contractor.
Using Microsoft Visio. 1  1. Launch Microsoft Visio and click on âFile.â. 2  2. Click on âOpen.â. 3  3. Select âAutoCAD Drawing (*.dwg; *.dxf)â from the âFiles of typeâ list.  4. Navigate to the DWG file you want opened, then click âOpen.â Visio will open and display the DWG file.
The files with the .dwg extension contain a database of 2D or 3D drawings that have been created within a CAD software. These files store design and meta data that describe the contents of the file. The .dwg format is considered to be the most widely-used format for CAD drawings.