To Update a Block Definition After the Inserted Drawing Is Updated
If DesignCenter is not already open, click
Insert tab
Content panel
DesignCenter
.
In the tree view, click the folder that contains the drawing file that was inserted as a block in the current drawing.
In the content area (on the right side of DesignCenter), right-click the drawing file image and choose Insert as Block.
In the Insert dialog box, click OK.
In the Block - Redefine Block dialog box, click Redefine Block.
Press ESC to exit the command.