Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...
How-To Geek on MSN
How to use the BYROW function in Microsoft Excel
BYROW replaces thousands of table formulas with one spill formula, making spreadsheets leaner and much more robust.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results