Unfortunately, the command to access the data form is not on the Ribbon, but you can do one of the following:

• Add it in your own menu:
  
• add it in Quick Access toolbar:
  

To use the data form, follow these steps:

    1.    Select data with headers of the columns in the first row of your data range:

    2.    Click the Form... button on your own menu or in Quick Access toolbar. Excel displays a dialog box customized to your data:

Notes:

• To move between the text boxes, press Tab.
• You can't modify formulas using the data entry form - the formula result appears as text, not as an edit box:
  
• To add new row to your table, click New button.
• You can also use the form to edit the existing data.