The way to have more lines in one cell is the same as in previous versions; ALT-ENTER or AlignmentWrap text.
Existing files can be opened by double-clicking them or, in Excel, via the Office button (top left, round)

--
Kind regards,

Niek Otten
Microsoft MVP - Excel

"Conservative Officer" <Conservative wrote in message
...
| These version upgrades should be more user friendly and have improved
| features. I can't find a way to open an existing file or have cells with
| more than one line in Excel. I'm just starting out using Office 2007, but so
| far I'm very disappointed.