ATTACH command
Attaches Xrefs, images, or PDF files in the current drawing.

Method
Note: The ATTACH command unifies the XATTACH, IMAGEATTACH, and PDFATTACH commands.
Opens the Select Reference File dialog box that allows you to select the type of the file you want to attach.
- Standard Drawing File
- After selecting a standard drawing file, click the Open button to display the Attach External Reference dialog box. See also the XATTACH command article.
- Image Files
- After selecting an image file, click the Open button to display the Attach Raster Image dialog box. See also the IMAGEATTACH command article.
- PDF Underlay Files
- After selecting a PDF file, click the Open button to display the Attach PDF Underlay dialog box. See also the PDFATTACH command article.