In a previous post, we discussed how to get better results from AI assistants in Excel by giving them clear rules around workbook structure, formula selection, and overall design:

How to get better results from Excel AI assistants<...

The kind of problem Excel was built for

There’s a scene in Seinfeld where Kramer and Newman realize they can get 10 cents per bottle in Michigan instead of 5 cents in New York. Naturally, they decide to arbitrage it. The entire episode revolves around whether this idea actually works. They go back and forth on the logistics, the costs, the volume, and whether the eff...

As an Excel trainer, I regularly encounter a particular type of question that shows up in almost every tool-focused session. It usually takes the form of:

“Why don’t we just use [another tool] instead?”

This came up again recently during a webinar I was running on AI workflows in Excel for finance teams. During the Q&A, one attendee asked why we would not ...

Anyone who spends enough time teaching Excel publicly through blogs, webinars, conference talks, or LinkedIn posts eventually runs into a strange dynamic.

People genuinely appreciate your work. They attend your sessions, tell you how helpful the material was, and encourage you to keep sharing. Many follow your posts for years and seem sincerely interested in what you ...

In a previous post, I built a simple Python tool to audit an Excel workbook. The goal there was fairly straightforward: scan the model programmatically and flag common structural issues such as hard-coded numbers in formulas, constants living outside designated input sheets, external links, and formulas that drift out of pattern down a column.