Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

Whether you want to restrict data inputs, ensure consistency, or avoid errors, data validation in Microsoft Excel is the tool for you. It can also serve as a vital safety net if you plan to share your ...

When multiple data variables are accommodated in a project, the time and spatial grids of those variables must be identical. As such, you must control the data other people enter. That’s when you need ...

Using multiple sheets in the same Excel workbook helps organize data into distinct categories. For example, you might have sales data for each of your four main departments on four separate sheets. If ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your worksheet. The sum of a column of zeros ...

Have you ever found yourself buried under a mountain of Excel spreadsheets, painstakingly updating formulas every time new data comes in? It’s a common struggle, one that can turn even the most ...

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 ...