The Pareto Principle, also known as the 80-20 rule, is a powerful concept that can transform your approach to data analysis. This principle states that roughly 80% of effects come from 20% of causes.

The new Analysis ToolPak is designed for complex statistical and engineering work. However, it’s not turned on by default so you need to activate it yourself when you want to use it. Go to the main ...

Q. You explained Excel’s Scenario Manager in your November 2024 Tech Q&A article and Goal Seek in your December 2024 Tech Q&A article. Can you please explain the final What-If Analysis tool: Data ...

Struggling with messy data in Excel can be a real headache, especially when you’re on a tight deadline. But what if there was a way to make this process smoother and more efficient? In this guide ...

To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of the "Data Validation" icon if you're using a wide screen, or the left half ...

All details in this article are correct as of October 7, 2025. Accessibility to some of the latest Excel features depends on ...

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Your summarizations, analyses, projections, reports and so on, are only as good as your data. It’s important that you use every resource available to protect the validity of the data, which means you ...

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 ...

How to populate a dropdown with data from another sheet in Excel Your email has been sent If your list and dropdown are on different pages, you’ll need to know this ...

Embarrassing autocorrect mistakes are common fodder for Internet listicles and Twitter threads. But they are also the bane of geneticists using spreadsheet programs such as Microsoft Excel. Five years ...