Unless someone's calculator needs an upgrade, one plus one usually adds up to two. With Microsoft Excel, you can put that math to work when you input two separate columns of data into a single ...

If you're working on a long scrolling spreadsheet, use "Freeze panes" to get your column headings to stick around when you scroll down through rows of data. First, place your cursor in column A row 2.

Columns organize data in Excel, and are often used as categories with headers to sort cells. You can simply right-click on an existing column to add another column immediately before it. To add ...