When you delete a row of the form controls (check Box, scroll bar, Counter) remain on the sheet. If you want to delete them together with a string, use the group by controls and/or Shapes.
When you import the contents of the web pages on the EXCEL sheet can get a lot of unnecessary objects: symbols, controls, tables, forms. Some of these objects can be hidden. Learn how to display these objects and then delete them.
When placing shapes (or pattern) in the EXCEL worksheet, such as a rectangle, it is often necessary to align it along the cell borders. To accelerate this process helps key ALT.