Updates the location of the layouts and drawing (DWG) files referenced by the project layouts in the current project.
SHEETSET (Command)
Menu:

List of Options
The following options are available.
Status
Current status of the layout in the project: missing or resolved.
Project Layout
Name of each missing layout in the current project.
Project Drawing
Drawing (DWG) file name in which the project layout is contained in.
Drawing Name
List of all the drawing (DWG) files that are referenced in the project or added to the dialog box using the Add Drawing (+) button.
Drawing Layout
Lists all the layouts in the drawing selected from the Drawing Name list.
Add Drawing (+)
Adds a drawing to the Drawing Name list.
Remove Drawing (-)
Removes a drawing currently not referenced by the project.