Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

PivotTables are static relics; PIVOTBY is the responsive, resilient, and fully auditable future of the modern Excel ...

Glide turns an Excel spreadsheet into an inventory app; computed columns replace formulas, giving live stock-on-hand totals across tables.

Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day ...

Microsoft is bringing "model" choice to its Microsoft 365 office apps, putting more of the daily grunt work of creating ...

The AI factory revolution has arrived, but it looks different than the passive analytics of the past decade. The industry is ...

Abstract: This letter presents a semi-parametric approach for learning safe data-driven control barrier functions (SDD-CBFs) for unknown continuous systems from noisy data. By leveraging optimization ...

OpenAI integrates Excel support and live financial data into ChatGPT, creating a powerful spreadsheet co-pilot for traders, analysts, and crypto investors.

Microsoft has removed App Skills from Excel's Copilot after users found multiple AI entry points confusing, now consolidating them into a single interface.

Discover how to conduct break-even analysis in Excel using Goal Seek and spreadsheet examples, helping you assess ...

Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.