The ERP-to-Excel Pipeline: Why Finance Lives in Spreadsheets | Excel & Power BI S1 Ep1

📂 Download the AtlasParts dataset (used across all 12 episodes): https://github.com/GoCelesteAI/excel-powerbi-for-finance Episode One of *Excel & Power BI for Finance* — a twelve-episode, two-season series for finance and accounting professionals who already export data from SAP, Oracle, NetSuite, or any other ERP into Excel every Monday morning, and want to do that work better. Season One covers Excel. Season Two covers Power BI for the same data, once Excel runs out of room. Before any formula, this episode answers the questions every "Excel for finance" tutorial skips. Why does the export-to-Excel loop never go away even after a five-million-dollar ERP rollout? Where does finance data actually come from, and what shape does it arrive in? And what company will we use across all twelve episodes to make the lessons concrete? We meet AtlasParts Corp — a fictional but realistic regional B2B distributor of automotive parts, with ten million dollars in annual revenue, fifty customers across five countries, and a fiscal year of clean GL data. The same files appear in every subsequent episode: the GL journal, the customer master, and the AP invoice list. By Episode 12 you'll have replaced the Monday-morning workflow with a Power BI report that refreshes itself. What You'll Learn: - Why the export-to-Excel loop is the *job*, not a workaround — even at companies that just rolled out a brand-new cloud ERP - The conceptual frame: ERPs are systems of record; Excel is where humans actually think - The four reasons CFOs always ask for Excel reports — currency translation, cross-period comparisons, custom columns, custom layouts - The three core data exports we'll work with throughout the series — GL journal, customer master, AP invoice list - AtlasParts Corp — the through-line company for all twelve episodes (10M revenue, 50 customers, 5 countries) - The eight-step Monday-morning workflow, mapped to every Episode in Season One - Where Excel finally breaks — fourteen sheets, broken cross-references, half-day refreshes — and why Power BI is the answer - The full twelve-episode roadmap across both seasons Timestamps: 0:00 - Intro — the ERP-to-Excel pipeline 0:37 - What's in this episode 1:12 - The Monday-morning workflow 2:02 - Why the loop never goes away 3:12 - Meet AtlasParts Corp 4:17 - The General Ledger 5:16 - The Master Files 6:11 - The Monday workflow, in detail 7:21 - Where Excel finally breaks 8:24 - The full map — twelve episodes, two seasons 9:19 - Recap — three takeaways 10:00 - Up next · Episode 2 Key Takeaways: 1. The export-to-Excel loop never goes away. ERPs are optimised for *recording* transactions; Excel and Power BI are where humans *think*. Finance is the last mile between system-of-record data and decision-ready reporting. That's not a workaround — it's the job. 2. AtlasParts Corp is your through-line. One company, one fiscal year, three core exports — GL, customer master, AP invoice list — across all twelve episodes. By Episode 12 you'll have built a Power BI dashboard that refreshes from the exact same files you saw in Episode 1. 3. Excel until it breaks; Power BI after. Excel's ceiling isn't row count — modern Excel handles a million rows. The ceiling is the model getting out of control: dependencies you can't see, refresh procedures only one person knows, two people producing two different revenue numbers. Season 1 takes you to the ceiling. Season 2 takes you past it. 4. The eight-step Monday workflow maps to every episode in Season One. Lookups in Episode 3, pivot tables in Episode 4, Power Query cleanup in Episode 5, robust spreadsheets in Episode 6. By the end of Season One you can take any GL extract from any ERP and build a CFO-ready report without fear. 5. Vendor-neutral, finance-specific. We don't pin to SAP, Oracle, or NetSuite. The data shape is the same everywhere — and the skills transfer to whichever ERP your employer happens to run. Welcome to *Excel & Power BI for Finance* — see you in Episode 2, where we open the AtlasParts general ledger and learn what twenty-two thousand rows of journal lines actually mean, before we touch a single formula. Taught by CelesteAI. #exceltutorial #powerbi #financetraining #financeprofessionals #erp #generaledger #financialreporting #financemodels #excelforaccountants #powerbiforbeginners #cfo #excelandpowerbi #excelforfinance #financialanalysis #atlasparts #seriesopener