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.

Inserting a lot of columns or rows in Microsoft Excel is awkward and prone to mistakes. When you need to enter dozens or more columns, use this VBA procedure for ease and accuracy.

Of course, there are other ways to identify multi-column duplicates in Excel, but this one requires no specialized knowledge and is incredibly easy to implement.

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.