I want to delete text annotation duplicate which is in same coordinates.

Hi,

I am using Solidworks 2008. In drafting sheet my client gave one application to fill the drawing  titleblock. the annotation notes appearing in the sheet multiple time overlapping with one other. for example: if i creat date, the date is coming 5 times in the sheet in same coordinate. how to delete these duplicate

SolidworksDrawings And Detailing