Multiple choice The rightmost column in MS Excel 2003 worksheet is _______. IV AV AZ IK HV Reveal answer Fill a bubble to check yourself A Correct answer Explanation There are 256 columns in a MS Excel 2003 worksheet and the 256th column is the rightmost column. A to Z are 26 columns, AA to AZ next 26, BA to BZ next 26 and hence 256th column is IV.