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.
1 LibreDWG is a work in progress developing Free Software libraries to support DWG files. 2  Teigha is a software development platform used to create engineering applications including CAD with native support of .dwg and .dgn files. 3  Specification of the .dwg file format provided by Open Design Alliance.