You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

Q: I have an Excel spreadsheet that I update weekly with our employees’ Actual Sales and Sales Goals. I manually insert a red circle to indicate those who did not reach their sales goal by more than a ...

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 Valley’s ...