Morning Fiona

Set up the formula so (eg) =B1-A1 and format the cell using
FORMAT/CELLS/NUMBER select CUSTOM and enter in the TYPE box this: mm

This gives you whole months between dates and might not be as accurate
as you might need

Jon


--
Jon Quixley
------------------------------------------------------------------------
Jon Quixley's Profile: http://www.excelforum.com/member.php...o&userid=25803
View this thread: http://www.excelforum.com/showthread...hreadid=471660