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Office Guide
1 min read
3 March 2026

The 20 Best Excel Formulas Every Office Worker Should Know

Master the most powerful Excel and Google Sheets formulas that will save you hours in your daily spreadsheet tasks.

OA

Office AI Tools Team

Expert productivity guides

Excel is the workhorse of any modern office. Whether you're in marketing, HR, finance, or operations, knowing the right formulas is a superpower.

Top 5 Formulas for Data Analysis

  • **VLOOKUP / XLOOKUP:** Essential for vertical data lookups across different sheets.
  • **SUMIF / COUNTIF:** Calculate sums or counts based on specific criteria.
  • **IFERROR:** Keep your spreadsheets clean by displaying a custom value if a formula returns an error.
  • **INDEX/MATCH:** A more flexible, robust alternative to VLOOKUP for advanced users.
  • **TEXTJOIN:** Combine text from multiple ranges with a delimiter.

    • Using AI to Build Your Formulas

    If you're not an Excel expert, don't worry. Our [AI Excel Formula Generator](/tools/excel-formula) helps you find the right formula for any task. Describe what you're trying to calculate, and the AI will provide the exact formula and a full explanation.

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