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 ...

Google Documents and Spreadsheets gets a little better with a new data validation option that will keep you and your collaborators from filling in the wrong types of data. Josh Lowensohn joined CNET ...

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 that ...

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 ...

If you are creating an interactive spreadsheet, you may need a drop-down list so that users can choose between options. To do so, you can follow this tutorial to create a drop-down list in Google ...