Excel Functions
500+ guides · syntax, examples & playgrounds
Every Excel function with real copyable examples, a live interactive playground on each page, and a downloadable example workbook.
Excel today · Google Sheets 2026
Master every spreadsheet.
Every function. Every fix. Every formula. 500+ working examples, 200+ free templates, 100+ error fixes, and the AI-powered Add-in that lives inside Excel.
Trusted by 240,000+ spreadsheet users this month
4.9★ on Microsoft AppSource
Updated for Excel 2026
The Add-in
The Sheets & Cells Add-in lives inside Excel.
Generate formulas from plain English. Explain any error. Insert templates without leaving the spreadsheet. Ask a Claude-powered AI assistant that reads your selected range.
Formula Generator
Error Explainer
200+ templates
Claude AI Assistant
Bulk Formatter
XLOOKUP Migrator
Free to try · $29 one-time for Pro · Works in Excel 365, Excel Online, Mac & iPad. Available on Microsoft AppSource.
Explore
Everything you need, organized.
Seven complete libraries for every spreadsheet task — from a quick VLOOKUP lookup to building an executive dashboard.
Excel Errors
100+ fixes · plain-English explanations
Paste an Excel error, get the exact fix. 60-second solutions for every #REF!, #NAME?, and #VALUE! problem your spreadsheet throws at you.
Templates
200+ free downloads · .xlsx ready to use
Every template is a real, formatted, formula-driven .xlsx workbook. Personal finance, business ops, dashboards, life management, and more.
Interactive Tools
10 free tools · no signup required
Type in plain English, get a working Excel formula. Test any function live. Convert VLOOKUP to XLOOKUP with one click. All free.
AI in Excel
30+ guides · Claude, Copilot, ChatGPT, Python
The complete 2026 guide to using AI inside Excel — Claude via our Add-in, Microsoft Copilot, ChatGPT workflows, and Python in Excel.
Long-Form Guides
40 pillar guides · 3,000–5,000 words each
Deep, complete masterclasses. VLOOKUP end-to-end. Pivot tables from scratch. Dashboard design. Financial modeling. Everything you need to actually master Excel.
Free downloads
Popular this week.
Every template is a real, working .xlsx file with pre-built formulas, formatting, and instructions.
No signup · free forever
Four flagship free tools.
Each tool solves one Excel problem instantly. They also demonstrate what the paid Add-in can do inside your spreadsheet.
Most popular
Formula Generator
Type what you want in plain English. Get the exact Excel formula with a one-click copy button. Powered by Claude.
"Sum all invoices where status is 'paid'" →
Try it free →
Save hours
Error Explainer
Paste any Excel error message. Get a plain-English explanation and the exact formula fix. Works on every error code.
Paste: #REF! · #NAME? · #SPILL! · #N/A
Fix an error →
Interactive
Function Playground
Test any Excel function in a live sandbox. Edit the formula, edit the data, see the result instantly. No Excel required.
=VLOOKUP(A2, B:D, 3, FALSE)
Open playground →
New
XLOOKUP Migrator
Paste any VLOOKUP formula. Get the modern XLOOKUP equivalent. Bulk-convert entire workbooks. Free for teams migrating from legacy Excel.
VLOOKUP → XLOOKUP · auto-convert
Migrate now →
Something broken?
Fix your Excel error now.
Click any error for a 60-second solution with copy-paste formula fixes.
2026 unique guide
The complete guide to AI in Excel.
Claude, Copilot, ChatGPT, Python — every AI option for Excel users, compared and explained. Nobody else covers this landscape end-to-end.
Read the master guide
Fresh this week
Latest from the blog.
New Excel tips, feature deep-dives, and workflow case studies published weekly.
Function Deep Dive
State of Excel 2026 — Every New Feature Explained
Copilot, Python integration, new LAMBDA functions, and the 12 features Excel MVPs are actually using in 2026.
Comparison
Copilot vs Claude in Excel — Which AI Wins in 2026?
We ran 40 real Excel tasks through both. Here's when Copilot wins, when Claude wins, and when Python beats them both.
Case Study
How Our Finance Team Cut Reporting Time by 70%
Real walkthrough of the Power Query + LAMBDA + Office Scripts workflow that took our monthly close from 5 days to 1.5.
For teams
Sheets & Cells for Teams & Enterprise.
Roll out the Add-in to your finance, ops, or analytics team. Custom template library, shared prompts, admin controls, and SSO for enterprises.
Volume licensing from $500
Azure AD / Okta SSO
Admin dashboard
Custom templates
Priority support
Audit logs
Get an enterprise quote →
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Add-in installs
4.9★
Microsoft AppSource rating
940+
Guides, tools & templates
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