AutoCAD 2008 User's Guide > Create and Modify Objects > Create and Use Blocks (Symbols) > Modify Blocks > Modify a Block Definition > 
Modify a Block Definition
Concept Procedure Quick Reference
 
 
 

To update a block definition that originated from a drawing file

  1. If DesignCenter is not already open, click Tools menu Palettes DesignCenter.If DesignCenter is not already open, at the Command prompt, enter adcclose.
  2. In the tree view, click the folder that contains the drawing file from which the block originated.
  3. In the content area (on the right side), right-click the drawing file.
  4. On the shortcut menu, click Insert as Block.
  5. In the Insert dialog box, click OK.
  6. In the alert box, click Yes to overwrite the existing block definition.
  7. Press ESC to exit the command.