To Change the Underlay Path
Click
Insert tab
Reference
.
In the External References palette, select an underlay whose path you want to change. Click the [...] at the right side of the Found At box.
In the Select File dialog box, select a new path. Click Open.
The new path is displayed in the Saved Path column.
Related Concepts
About Underlays
About Changing File Paths of Underlays
Have You Tried: Manage References Outside AutoCAD
Related Tasks
To Check Underlays With the Reference Manager
Related Reference
Commands for Working with Underlays