This document provides instructions for switching from OmniGraffle to Lucidchart by importing OmniGraffle files, adding legacy files, and exporting Lucidchart files back to OmniGraffle. It outlines the steps to sign up for a Lucidchart Pro trial, import OmniGraffle files, edit documents in Lucidchart, import SVG files, download Lucidchart files as Visio files to open in OmniGraffle, and extract additional file types from OmniGraffle.