It has been many years that I have been searching Stack Overflow for answers, I think it is the time to Share some knowledge for anyone interested.
How to Display/Send an email in outlook (based on variable Excel cell change - based on a column range) with variable html mail body content.
The concept is that when you change a value in a specific column (within the specified range) your excel file will trigger the Macro to create an email with the content of that email built based on the values of different columns - as defined by the code - you can fine tune the code to find on different columns of the row in question all the relevant details to populate your email