Alternatively, click "File" and "Open." Click the "Files of Type" drop-down menu and select "AutoCAD Drawings (*.DWG)." Navigate through the file list to locate your DWG file. Click the "Look In ...

In addition, it's not uncommon to find incompatibilities between versions and file types when ... Adobe Illustrator (and its extension .ai) and CorelDRAW (.cdr), open-source programs such as ...