Creating a worksheet or workbook
Create worksheet
Select File > New Worksheet 
(New Worksheet icon).
Or
Right-click the Data folder and select New > Worksheet.
A new worksheet is added to the Data folder.
Create workbook
1. Right-click the Data folder and select New > Workbook.
2. Click the (+) sign next to the workbook to view the worksheets it contains.
To add more worksheets to a workbook, right-click a workbook and select New > Worksheet.