I have searched for a Function excluding Fridays and found one by barry houdini for excluding Sundays :
If I have a date in A1 and want to add the number of workdays in B1, counting all days except Fridays as workdays:
=A1-WEEKDAY(A1,3)+INT(7/6*(B1+MIN(5,WEEKDAY(A1,3))))
format as date...How...