Calc: Paste Format - Split Cell

[japples]

Is there a way to split a cell either vertically or horizontally?  I 
have been adding another column or row then going back and merging all 
but the cell I wanted split - really don't think that is very efficient.

Is there a way to copy / paste the format of a cell to selected cells.  
I do not want the whole spreadsheet with the same cell formatting just 
specific ones.

I did not see anything in Help addressing these functions - searched 
"split cell" / "cell format - paste"

Thank you
Jack