You can view, enter, or modify data in the worksheet document.
To view worksheet data:
Click the File | New | Worksheet command to open a new blank worksheet.
Click the button to open a new blank worksheet.
Click the File | Open command. In the Open dialog, select a data set, and click the Open button.
If there is an open worksheet window, return to it at any time by clicking on the tab with that worksheet name displayed.
Working with Worksheet Data