Advanced Formulas
Master complex formulas, array functions, and LAMBDA.
9 articles in Deep Dives
Dynamic Array Formulas: Excel's Most Powerful Modern Feature
Dynamic arrays changed how Excel formulas work. Here's how to use FILTER, SORT, UNIQUE, and the spill concept.
Excel Pivot Tables: The Complete Guide for Data Analysis
Pivot Tables turn raw data into insights instantly. Here's everything you need to know to use them effectively.
XLOOKUP vs VLOOKUP: When to Use Each (and Why XLOOKUP Usually Wins)
XLOOKUP replaced VLOOKUP for good reasons. Here's a practical comparison and migration guide.
Handling Fiscal Years in Excel: When Your Year Doesn't Start in January
How to work with fiscal years that start in non-January months, including FY calculations and reporting.
Excel Date Formatting: Complete Guide to Custom Date Formats
Master custom date formats in Excel, from basic month/day/year to complex conditional formatting.
Excel Date Picker Alternatives: Built-in Options vs Add-ins
Comparing Microsoft's date picker control, VBA solutions, ActiveX controls, and third-party add-ins for Excel date entry.
International Date Formats in Excel: DD/MM/YYYY vs MM/DD/YYYY and How to Handle Both
How to work with different date formats when collaborating internationally, and avoid the confusion that breaks spreadsheets.
Why Doesn't Excel Have a Built-In Date Picker?
Excel handles dates everywhere but has no native date picker. Here's why — and what you can do about it.
The Complete Guide to Dates in Excel
Everything about dates in Excel from serial numbers to functions.