When text is longer than the width of a column, Excel displays the overflow characters in adjacent cells to the right as long as those adjacent cells contain no data. True

The statement is True.

In Microsoft Office Excel, when the text inside a cell is longer than the width of the cell it overflows the display on the next adjacent cell on the right as long as its an empty cell. If there is a data, the other text will be hidden unless you click on Wrap text.