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.
GitHub

DateAdd, DateDiff, and TimeZoneOffset functions in Power Apps

Reference information including syntax and examples for the DateAdd, DateDiff, and TimeZoneOffset functions in Power Apps. The DateAdd function adds a number of units to a date/time value. The result ...

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 ...
Bangkok Post on MSN

Microsoft to add AI-powered formula assistant to Excel

Microsoft is set to integrate Copilot directly into Microsoft Excel to assist users with formula creation, marking another step in the company's mission to embed artificial intelligence into the daily ...

I won the Microsoft Excel World Championship. Here's what every office worker should know about Excel

Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.
Investopedia

Calculate Yield to Maturity in Excel: A Step-by-Step Guide

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...