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

Click the drop-down arrow in the "Number" area of the ribbon. Choose "General" from the list of options and your phone numbers will now appear as just a series of numbers.

Microsoft Excel offers several tools you can use when you need to fill a column with the same text or numbers. Instead of completing each cell manually, you can quickly fill in the entire column ...

An curved arrow pointing right. We all know and love the Auto Fill feature in Excel. Microsoft went a step further in Excel 2013 and created Flash Fill. This new feature recognizes patterns in ...