The first time I watched a messy spreadsheet clean itself up, I almost spilled my coffee. Ten sheets, broken formulas, random duplicates, zero structure. The kind of file that usually eats half a workday before you even start the actual analysis.
I just saw this incredible breakdown from an AI professional on LinkedIn who walked through exactly what happened when a founder friend sent them one of those dumpster-fire Excel files. Normally? Two to three hours of cleanup. This time? The original poster fired up AI inside Microsoft Excel and watched the chaos organize itself in front of their eyes.
Formulas built instantly. Trends surfaced in seconds. Entire reports generated without touching a single pivot table. That’s the moment the author realized something big has shifted: Excel is quietly becoming an assistant, not a tool.
The shift nobody is talking about
Here’s the part that hit me hardest from the post. The expert points out that you don’t really need to “know Excel” anymore. You need to know how to prompt AI for Excel. That’s a completely different skill, and the gap between people who get this and people who don’t is only going to widen.
Most folks are still stuck asking, “Which formula should I use?” Meanwhile, others have already moved to, “Build this entire report for me.” Same software. Wildly different output.
Three flavors of AI in Excel, side by side
The creator makes a really useful point that surprised me: not all “AI in Excel” works the same way. There are actually three distinct approaches, each with its own personality. Here’s the head-to-head the author laid out.
🟢 Microsoft Copilot
- Native integration, lives right inside Excel
- Generates formulas like XLOOKUP, IF, nested logic
- Surfaces auto insights and trends without prompting
- Cleans messy data fast
- Can run multi-step workflows end to end
🟢 ChatGPT for Excel
- Strong choice for financial modeling
- Explains formulas step by step, great for learning
- Excellent at what-if scenarios
- Handles large, complex workbooks
- Connects with external data sources
🟢 Claude in Excel
- Best for deep context workflows
- Reads entire workbook structure, not just a single sheet
- Tracks changes transparently
- Works across multiple files at once
- Saves reusable workflows you can run again later
So which one should you pick?
Looking at the contrast the original poster drew, the picture gets pretty clear once you match the tool to the job:
- Pick Copilot if you live inside the Microsoft 365 ecosystem and want the lowest-friction option. Native means native, no copy-pasting, no context juggling.
- Pick ChatGPT if your work leans heavily on financial modeling, scenario planning, or you want a tutor that explains the “why” behind every formula.
- Pick Claude if your workflows span multiple files, need long context, or you want repeatable processes that survive beyond one session.
The author’s takeaway, and one I completely agree with: there’s no single winner. The winner is the person who knows which tool to reach for and when.
Why the cleanup story matters
If you’re still manually cleaning data, writing formulas from scratch, or rebuilding the same report every Monday, the gap between you and the AI-leveraged crowd is widening every week.
The post’s author calls this one of the easiest leverage upgrades you can make in your workflow, and I think that’s exactly right. You’re not learning a new platform. You’re not migrating data. You’re just changing how you talk to a tool you already use every day.
Quick prompts to try this week
If you want to test-drive the shift the creator describes, here are a few prompt patterns inspired by the use cases highlighted in the post:
- Clean this sheet: remove duplicates, fix broken formulas, and flag inconsistent date formats.
- Build me a summary report from this workbook with trends, top 5 outliers, and a one-paragraph executive summary.
- Rewrite this XLOOKUP into a more readable formula and explain what each argument does.
- Run a what-if scenario: what happens to gross margin if COGS rises 12% next quarter?
- Compare these two sheets and tell me what changed, row by row.
Each one of those used to be a 30-minute task. Now they’re a 30-second prompt.
My honest take
I was blown away when I saw how cleanly the original poster framed this. The old skill was Excel mastery. The new skill is prompt fluency on top of Excel. That doesn’t mean formulas are dead, it means they’re now the output, not the input.
The contributor’s closing point lands hard: spreadsheets aren’t going anywhere, but the way we use them is changing fast. Catching up now is cheap. Catching up in twelve months won’t be.
Go check the full LinkedIn post for the side-by-side infographic and the rest of the breakdown. Worth the click.