To Create and Email a DWF, DWFx, or PDF File Using Windows Explorer

Launch Windows Explorer.
Select the drawings to publish to DWF / DWFx.
Use Shift or Ctrl + Click to select contiguous or non-contiguous files.

Note:
You can publish only 2D DWF or 2D DWFx using the shortcut menu in Windows Explorer.
Right-click the selection. Click Publish DWF and Email.
The Specify DWF File dialog box is displayed in a temporary AutoCAD session.
Specify Files of type as either *.dwfx or *.dwf.
Type a file name, or select a file.
The DWF or DWFx file contains the following settings:

DWF type = Multi-sheet

Password = Disabled

Layer information = Don’t include

Block information = Don’t include
AutoCAD launches your default mail application with the newly created DWF or DWFx as an attachment.