Currently Being ModeratedApr 18, 2013 6:45 AM (in response to paraaf)
I suggest reviewing the documentation you can download from here:
In the user manual on page 87 it takes up this topic.
Currently Being ModeratedApr 18, 2013 7:35 AM (in response to paraaf)
The cell border changes color when selected, and again when you choose which lines to format. Some users mistake the second selection indication for an actual change in border, when in fact the program is waiting for you to give it new parameters for line type, weight, and color.