You can sum a series of numbers in Excel manually or automatically ... AutoSum works best when you have a column or row of numbers you want to add. 1. Click the cell under a column of numbers ...

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.

Every Excel expert knows how to navigate without a mouse and how to format data using keyboard shortcuts. But do you know how to insert a sum without typing the formula? Have you struggled to ...

Although not required for basic addition, Excel has the SUM function, which can simplify adding large ranges of ... If you ...