When you're working with a spreadsheet, duplicate data can sometimes make its way in and cause all sorts of problems. In this how-to, we demonstrate two methods of using Microsoft Excel for ...

I usually set up my annual budget in one Excel workbook, and then I add 12 more sheets—one for each month of the year—so I can easily track the monthly data. Each sheet contains the same rows, columns ...

When you want to clean up data in your Excel sheets, you should first check if there are any duplicates and if so, delete them. Sometimes it's not obvious, but it's actually quite easy to do. In this ...

If you’ve got a whopper of a spreadsheet, with thousands or more of rows, you’ve got a big problem if you want to make sure the spreadsheet doesn’t contain duplicate entries. Excel simply doesn’t have ...

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

Using multiple sheets in the same Excel workbook helps organize data into distinct categories. For example, you might have sales data for each of your four main departments on four separate sheets. If ...