Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point. Although you can manually enter unique numbers ...

Microsoft Excel makes it possible for users to easily get around incorrect data entries. In most cases, the user takes advantage of the data validation feature. However, there are times when this ...

When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number. If ...