How-To Geek on MSN

Stop removing duplicates in Excel: The UNIQUE function is safer and dynamic

To make the most of the UNIQUE function, you should make sure your array is in an Excel table. By using a table name rather ...

Understanding Business Logic: Key Concepts and Examples

Learn how business logic serves as the framework of rules and algorithms, enabling smooth data flow between databases and ...

Excel for Investors: Simulating Stock Prices for Better Insights

Learn to simulate stock prices with Excel and gain predictive power over market trends. Our step-by-step guide enhances your ...
Security Boulevard

Are There IDORs Lurking in Your Code? LLMs Are Finding Critical Business Logic Vulns—and They’re Everywhere

Security teams have always known that insecure direct object references (IDORs) and broken authorization vulnerabilities exist in their codebases. Ask any ...

Learn What GROUPBY Can Really Do in Excel : From Smart Sorting to Percent of Totals

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
How-To Geek on MSN

6 Excel problems Microsoft should finally fix in 2026

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...