The Most Dangerous “Modern” Excel Formula: =UNIQUE()

It looks clean.Effortless.No helper columns.No visible mess. That’s the problem. We’ve all been told that modern Excel formulas are smarter — that dynamic arrays make reporting faster, cleaner, more “automated.”But some automation hides danger better than any manual error ever could. And nothing proves that more than =UNIQUE(). Why =UNIQUE() Can Quietly Wreck Your Model […]

The Most Dangerous Excel Formula in Finance

Every finance analyst has a love story that ends badly.Mine started with =IF(). It seemed harmless at first.A quick fix here, a logic tweak there — a little “if this, then that” to make a stubborn report behave. But one day, I opened a model with 1,742 nested IFs.No macros. No VBA. Just raw logic […]

Automating Intercompany Eliminations with ChatGPT

I used to joke that intercompany eliminations were the Bermuda Triangle of consolidation.Everything went in — invoices, transfers, equity movements — and nothing came out clean. Month-end would arrive, and I’d sit there at 10:30 p.m. staring at mismatched balances, praying that NetSuite’s eliminations report wasn’t lying to me. If you’ve ever tried to reconcile […]

Cash Flow Forecasting in Excel With ChatGPT Prompts

Why Cash Flow Forecasting Breaks FP&A Models Cash flow forecasting is one of the hardest FP&A tasks. You can nail revenue projections, lock in expense budgets, and still lose credibility if your cash schedule doesn’t tie out. In practice, building cash flow forecasts in Excel means handling messy timing differences: deferred revenue, staggered collections, and […]

Excel Has a New Add-In: It’s Called ChatGPT

Excel Meets Its Secret Weapon Excel has always been the quiet workhorse of business. Rows, columns, SUM, VLOOKUP — a reliable toolbox. But mastering it came at a cost: you either memorized hundreds of functions or spent hours debugging formulas that broke without warning. Now there’s a twist. You don’t have to do it alone. […]

9 Ways a Pivot Table Can Make a CFO Cry in Public

The first tear hit the table before the board chair could finish his sentence. It wasn’t loud.Just that faint, traitorous tap a CFO hopes no one hears. But in the middle of the Q4 earnings review, with a dozen sets of eyes hunting for weakness, it was the kind of sound that shifts the room’s […]

Why My VLOOKUP Has More Trust Issues Than My Ex

“If your forecast only works when you believe in it, it’s not a forecast—it’s a faith-based initiative.” It started with a spreadsheet.Doesn’t it always? One column of “Actuals,” one column of “Plan,” and a third column that looked like it was about to ghost me. That’s where VLOOKUP lived—dragged across 400 rows, promising to unite […]

The Pivot Table That Knew Too Much

It started as a harmless spreadsheet.A nice, clean workbook. Six tabs. No merged cells. A color palette you could take home to your mother. Then one day, it got… curious. You know how it is in SaaS finance. You build one pivot table to tidy up last quarter’s churn analysis, and suddenly it’s doing cross-tabulations […]

Every Excel Shortcut Ranked by How Fast It Can Trigger a Midlife Crisis

Let’s be honest — no one wakes up thinking, “Today’s the day I completely lose my grip on reality because of a spreadsheet.” And yet, here we are.Because Excel doesn’t just store numbers.It stores your soul. In FP&A, shortcuts are supposed to make you faster.Instead, they just accelerate the moment you realize your life’s work […]

You Won’t Believe What This IF Statement Did to My Marriage

IF(logic_test, value_if_true, value_if_false) Was it the logic test?Was it the value_if_false?Or was it me? Hard to say now, sitting on the couch next to a husband who won’t make eye contact, because apparently, I “weaponized Excel again.” But I know this: somewhere between “just a quick model update” and “you built what??” I lost the […]