Microsoft Excel is a powerful database management ... so if you have just a portion where you want to add a column, skip to the next section. Sometimes, you want to add a new column to just ...

To add the rows and columns of this or any table with just one click, start by selecting the table. Be sure to include the column and row that will contain the totals in your selection. Then click on ...

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.