In MS Excel, we are preparing our invoices. Finally the total amount should be in words also. For that purpose every time we have to type the words. It is a boring and leborious work to me. Kindly help me with any shortcut formulae for the above purpose please.

Check out this article - it gives you code for a VBA module that seems to work pretty well:

How to convert a numeric value into English words in Excel (http://support.microsoft.com/kb/213360)