Excel 2013 – How to start new paragraph in a cell (add a line break) Wednesday, 16 July 2014 by Adrian GordonLast updated: Friday, 26 May 2023 To add a new paragraph inside a cell all you need to do is hold Alt and press Enter on the keyboard. Remember the cells in Excel are limited to 32,767 characters. Only 1,024 display in the cell and all 32,767 display in the formula bar.