Borders Tool is missing from Excel 2011 Version 14.4.1 on my Mac [Closed]

Report
-
I have an iMac Desktop with a 24 inch screen. My Borders Tool is missing.
When I enlarge an excel workbook the Borders Tool is still missing from the Menu Bar.
How can I get my Borders Tool back in Excel 2011 Version 14.4.1 ?

Thanks for any help!