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.

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

How to Create Progression in Excel With Alphabets. Microsoft Excel can use the contents of a cell range to populate adjacent cells. If a range of cells contains a progressive series of numbers ...