Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.

How to Automatically Put in the Months of the Year in Columns in Excel. Microsoft Excel's automatic data fill-in feature is a time-saver, filling in cells for you so you don't need to manually ...

You can add a column in Excel by right-clicking or using the “Insert” option. These features are helpful for adding new data to a spreadsheet.