Learn more. Learn more about Apple ID. If you use a different Apple ID for iTunes and iCloud, and want to restore from a backup, first enter your Apple ID for iCloud. After your device restarts, you'll be asked to enter the Apple ID that you use with the iTunes Store, App Store, or iBooks Store.
The Insert AutoCAD Drawing add-on inserts a .dwg or .dxf file into the active page in an existing Visio document as a read-only ActiveX object. The active Visio application window must contain a document drawing page when this add-on is run (otherwise an error is generated).
AnyCAD Viewer. AnyCAD Viewer is a free CAD viewer software for your computer. With the help of this freeware you can easily view CAD files in various formats such as .iges, .3ds, .mdl, .obj, .md2, .stl, .dxf, .fbx, .step etc. You can tryout this freeware to open and view CAD files in multiple formats.