One way businesses can save time and money is using Excel spreadsheets as data tables in which to store customer information, inventory details or other important data. Excel has several features ...

We’ll use data validation to prevent duplicate numbers in the Membership Number column. ... If you’re working with your own data, be sure to update the name of the Table and column.

Go to Data on the Ribbon, and in the Data Tools group, choose Data Validation. The Data Validation window that pops up allows you to set your criteria in many ways. For our example, choose Whole ...

Click the Data tab and in the Data Tools group, click Data Validation. In the resulting dialog, choose List from the Allow dropdown. Click inside the Source control and then highlight the Table.

Pydantic, the popular Python library and open source data-validation framework used by some of the world’s biggest companies, has a new commercial namesake and the backing of one of Silicon ...