While there are relatively few reasons why you might want a set of radio buttons or checkboxes on a typical sheet, they can make excellent additions to form-based sheets, such as an invoice or business form. This means they can’t appear in a cell, a table row, or on a database form. As objects (rather than cell formats), radio buttons and check boxes float on the surface of the worksheet. However, you can also add sets of radio buttons and check boxes to your Excel 2011 worksheets. Most worksheets consist of text, numbers, and the occasional chart or shape. Microsoft Office 2011 for Mac: Visual QuickStart
