Hello - I am using Excel 2007 and on some of my files I notice that the slow way down when I try to change any data in the cells.  While trying to find the casue of this slowdown I use the Page Layout tab and then Selection Pane and the window that opens shows many Text Boxes that I have not placed in this spreadsheet.  It takes a few minutes to delete all of these text boxes and then save the workbook and all is fine.  But I would like to know how these text boxes pop up and why.  Has anyone had this same problem?