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Data Cleaning
Fix missing values, duplicates, and inconsistent formats in your sheets.
Data Cleaning
Data Cleaning · July 13, 2026 · 3 min read
How to Find and Remove Duplicates in Excel — Safely
Excel's Remove Duplicates button is fast, irreversible, and keeps rows you didn't choose. Here's how to count, review, and then remove duplicates — with formulas or one AI instruction.
Data Cleaning
Data Cleaning · June 28, 2026 · 3 min read
How to Find and Fill Missing Values in Excel (Without Guessing)
Locate blank cells fast, decide whether to fill, flag, or leave them, and use formulas or AI to complete missing data in Excel — with an audit trail of what changed.
Data Cleaning
Data Cleaning · June 22, 2026 · 4 min read
How to Clean Messy Excel Data: A Practical 8-Step Checklist
A repeatable checklist for cleaning real-world Excel data — trailing spaces, mixed date formats, duplicates, and broken formulas — plus how to do the whole thing with one AI instruction.