When you copy any number of cells from excel, and past them into a table, when you undo de paste, axure deletes the background and the lines for that cells in the tables. You can see this while you are working, or after generate de prototipe.

There is a set of other related problems:

• When you copy and paste a group of cells, axure allways add an extra row to the pasted area.
• When you copy and paste more than one cell, axure paste the cells separated with a ";" instead of past them on individuals cells.
• If inside a cell there is any text containing a "," axureus will split the text, putting each part of the text in separated cells.