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.

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.

This tutorial will show you how to create a Formula to Add, Subtract, Multiply or Divide in Microsoft Excel. You can do basic calculations easily!

You can combine two columns in Excel using several formulas and tools available in the software. Here's how to combine two columns in Excel.

Learn how to use the VLOOKUP formula to compare a maximum of two columns to have common values returned or to locate missing data.

Duplicates in the same column are easy to find by sorting or filtering. Duplicates that span multiple columns require a bit of setup, but the solution's not difficult to implement.

This article looks at how to use Excel’s auditing tools to audit formulas and ensure the accuracy of data.