remove lines, no borders, from excel's worksheet

Question

into a downloaded excel 2010 file the are 2 lines that i don't knwo how to remove.

no borders is set for the cells around the two lines.

also i select all cells with CTRL+A then into update ribbon, delete -> delete all with no success.

each cell around the lines have no border, background or formatting.

what more can i check to remove the two lines ?

Answer 1

What does your Visualizza tab look like? Suspect It's frozen panes but could be something else.