To convert multiple files at once, use the ETRANSMIT command. Create a custom "Transmittal Setup" and change the File Format to the desired lower version.
Type SAVEAS in the command line. In the dialog box, use the Files of type dropdown to select an older format like "AutoCAD 2018" or "AutoCAD 2013". autocad convert to lower version free download
You can force AutoCAD to always save in an older version by going to Options > Open and Save and changing the "Save as" default. 3. Online Free Converters (No Download Required) To convert multiple files at once, use the ETRANSMIT command
Select your target version (e.g., AutoCAD 2013, 2010, or 2000 format) and click . To convert multiple files at once
It supports all modern versions up to AutoCAD 2026. 2. Using AutoCAD’s Built-in Features