Share Email Facebook Twitter LinkedIn Start Tab Use the following links to access information about the Civil 3D Start tab. Topics in this section Recent Page (Start Tab) Use the Recent page to open recently-used documents. Autodesk Docs Page (Start Tab) Use the Autodesk Docs page to access the documents in your Autodesk Docs projects. Learning Page (Start Tab) Use the Learning page to access tips and getting started videos. Parent topic: Dialog Box Reference