How to Subtract Dates in Microsoft Excel 2003

1. Start Microsoft Excel 2003 and open the workbook containing the dates you would like to subtract.
2. Click an empty cell where you would like the results to appear.
3. Identify the cells containing the start date (for example, A2) and end date (for example, B2). Type without quotes: '=B2-A2' and substitute your actual cell references for the examples used here. Press Enter.