Excel University Blog

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API

The Truth about Cats and Dogs

By Jeff Lenning | January 13, 2026 |

Ever wish Excel could tell you a fun cat or dog fact every time you click refresh? Good news — it can! In this post, we’ll walk through a short, practical project that uses Power Query to pull random facts about cats and dogs from public APIs directly into your worksheet. Whether you’re a pet…

Weather Compilation

By Jeff Lenning | January 6, 2026 |

How to Get Live Weather Data in Excel Using Power Query and Geography Data Types (Includes a Summary of Posts 1-3) Have you ever wanted to turn Excel into your very own weather dashboard? With a few powerful Excel features, like the Geography Data Type, the WEBSERVICE() and FILTERXML() functions, and Power Query, we can…

Automatic Public Holidays Calendar

By Jeff Lenning | December 9, 2025 |

Wouldn’t it be great if Excel could automatically generate a list of public holidays based on a single year input? And even better, have that holiday table update all related formulas and schedules across your workbook? Well, that’s exactly what we’re going to build in this post—an automatic calendar in Excel with public holidays, dynamically…

Dynamic Zip Code Lookups

By Jeff Lenning | November 11, 2025 |

Working with ZIP code data in Excel just got easier. With Power Query and a free web service, we can automatically retrieve city, state, and country details associated with any U.S. ZIP code. This approach is extremely helpful for users managing form inputs, mailing lists, or regional datasets who want to automate the lookup process…

Sudoku with Power Query

By Jeff Lenning | October 22, 2025 |

Did you know Excel can fetch a brand-new Sudoku puzzle with a click of the refresh button? In this tutorial, we’re diving into how to tap into an online Sudoku API and use Power Query to turn that data into a styled and playable puzzle and solution right inside Excel. Even if you’re not much…

Generate Sudoku in Excel with Free API

By Jeff Lenning | September 30, 2025 |

Did you know we can auto-generate Sudoku puzzles right inside Excel, without manually entering grid layouts? With the WEBSERVICE function and a little help from a Sudoku API, we can create both a playable Sudoku puzzle and its corresponding solution dynamically. In this step-by-step guide, we’ll show how to make a Sudoku board using Excel’s…