It can be turned off at Excel level and not at workbook or worksheet level.

Clear the checkbox for 'Extend data range formats and formulas' in the
'Working with formulas' group under Excel Options-Advanced-Editing Options


"jenn" wrote:

Hello, with 2007 when you type in a formula it autofills down for you. I
think this is a great option... but not for the report I'm working on. How do
you disable this feature for a workbook?