ExcelWhiz Insights
Expert articles on financial modeling, business automation, Excel tips, and data analytics to help you make better business decisions.
Sep 4 2026
Financial Model Review: What an Independent Review Covers
What an independent financial model review checks in Australia: formula consistency, circular references, scenario integrity, debt logic and tie-outs, plus what it costs and when to get one.
Sep 1 2026
Excel Dynamic Array Functions for Business Reporting
Use Excel dynamic array functions like FILTER, SORT, TAKE and GROUPBY to build business reports that update themselves when new data arrives.
Aug 30 2026
Driver-Based Financial Forecasting in Excel
Build an Excel forecast from operating drivers like price, volume and headcount instead of a flat growth percentage, with an Australian worked example.
Aug 28 2026
Excel vs Google Sheets for Financial Modelling
Excel or Google Sheets for financial modelling: collaboration, formulas, audit trails and when each spreadsheet platform is the right choice.
Aug 24 2026
Budget vs Actual for Not-for-Profits in Excel
Track grant funding, restricted funds and program budgets in Excel: a practical budget vs actual framework for Australian not-for-profits.
Aug 20 2026
Excel Forensic Accounting: An Introduction to Fraud Detection
The foundations of fraud detection in Excel: data integrity checks, duplicate detection, anomaly spotting and exception reports before you reach for advanced techniques.
Aug 16 2026
Vibe-Coded Spreadsheet Rescue: When AI-Built Excel Breaks
Vibe coding is coming to spreadsheets. Learn how AI-generated Excel formulas, macros and models fail, and how to rescue them before bad numbers reach a decision.
Aug 12 2026
Industry-Specific Financial Modelling: Key Considerations by Sector
What to model first in your industry: sector-specific drivers, risk factors and metrics for financial modelling and valuation across 9 industries.
Aug 8 2026
Check Register Template: Bank Reconciliation in Excel
Keep a running balance of every transaction with a check register template in Excel. Reconcile against bank statements quickly and accurately.
Aug 5 2026
Weekly Time Tracker Template: Simple Timesheet in Excel
Track hours across projects and tasks with a weekly timesheet template in Excel. Set up in minutes: regular time, overtime, leave and automatic totals.
Jul 31 2026
Travel Expense Tracker Template: ATO-Friendly Excel Spreadsheet
Track business travel costs with this Excel travel expense template. Built for ATO record keeping: dates, amounts, GST, kilometres and receipts.
Jul 29 2026
Excel VBA for Beginners: An Introduction to Macros
New to VBA? Learn what macros are, how to record and write them safely, and four practical examples: delete rows, add sheets, protect workbooks and more.
Jul 25 2026
Excel Lookup Guide: VLOOKUP, XLOOKUP and INDEX-MATCH
Master Excel lookups: VLOOKUP, XLOOKUP and INDEX-MATCH explained with syntax, worked examples, common errors, and which to use when.
Jul 22 2026
Excel Keyboard Shortcuts Every Power User Should Know
Go beyond Ctrl+C/V. Master navigation, selection, formatting, and formula auditing shortcuts that save hours per week in Excel.
Jul 19 2026
Labour Cost Tracking: Building a Project Hour Allocation System for a Mechanical Subcontractor
Designing a labour tracking workflow and project hour allocation system for a mechanical and pipe subcontractor; replacing whiteboard-and-notebook job costing with a structured Excel model tied to payroll.
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