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.
What QuickBooks does to create a backup. When QuickBooks backs up your company file, it creates a disk imageâthat is, a file with a .dmg extension. Unless youâre a computer geek, you probably wonât care about the details of this kind of file. We create .dmg backup files so that you donât accidentally open a backup company file and start making changes in it directly.