Excel considers dates and times as numbers in cells, making calculation difficult. Excel processes 6 AM as "0.25," because it is one quarter of the way through the day. If you need to add a number of ...

Lists of phone numbers are very common with Microsoft Excel editors. In the case of landline and foreign phone numbers, adding the country code is important, or the caller will never be able to dial ...

Data entry can be a grueling process in Microsoft Office Excel, especially if you have left out a key component in a column, such as hyphens. Hyphens can help break up long numbers in a spreadsheet, ...