To export to Excel, click on the little "envelope" icon on the toolbar.
Select Destination: Disk File
Now drop down the Format list box. You'll see two choices for Excel. One should read "Excel", the other, "Excel (Data Only)"
In general, Crystal does a great job of exporting to a spreahsheet. However, it does take some pretty serious liberties with cell spacing and sizing. But if you're looking to act upon the data in the spreadsheet after exporting, you should try the Data Only format, as it will export none of the cosmetic touches of the report.