Lately it seems like every conversation about AI revolves around “agents.” Agentic systems, agentic workflows, autonomous agents. At the same time, people still talk about automation workflows, and …
How to get real value out of live Excel training
I teach a lot of live Excel training, especially online. Over time, certain patterns become impossible to ignore. Some people leave a session with ideas they immediately apply. Others leave with …
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How to save and reuse prompts for Copilot in Excel
I get asked a version of this question nearly any time Copilot in Excel comes up in training or advisory work. These questions are reasonable. They also possibly reveal a misunderstanding about …
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How to understand the levels of Excel intelligence
When people talk about “being good at Excel,” they almost always mean the same thing: how well a person can use it. Do they know formulas? Can they build a PivotTable? Are they fast? That framing …
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When to use AI in Excel (and when you absolutely shouldn’t)
Over the past two years since Copilot's rollout, I have seen a growing pattern in how teams talk about AI in Excel. The question is almost always framed along these lines: What is striking is …
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The 2025 Stringfest year in review: less grind, more grounding
By now I’ve written plenty of year-end reflections about running a one-man Excel business, but this one hits differently. 2025 wasn’t about doing more or going faster. It felt steadier, calmer, and …
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