Excel spreadsheets are designed to help you organize and present your data. All columns automatically have a header label, starting with the letters A-Z and then moving on to AA, AB and so on. You can ...

Mailing label information can contain a gold mine of data for a small business. However, the way the information is arranged can be practically useless if you want to sort them by address or enter ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...