LVW files are Livewire Documents referring to circuit design files that the Livewire program created. What is an LVW file? Circuit design file created by Livewire, a program used for designing and simulating circuits; contains the electronic parts and connections. What is an LVW file? The LVW file type is primarily associated with Daylon Leveller View File. Open a LVW file quickly and easily by following the tips and tricks in this article. A list of programs that support and convert the.