In case you need to convert amount in words as per Indian number system
(using Lakh, Crore) and formatting cells as per Indian Decimal System (e.g.
1234567.00 to 12,34,567.00) you can download one free addins "Indian Rupees"
from below site.
Or download one workbook "indianspellnoformula" (scroll to 5 or 4 for
English) from below webpage, which has formula to convert numbers to words
as per Indian System.