Magic of COUNTA & SEQUENCE in Excel | Auto Fill Serial Numbers #exceltips #exceltricks #tutorial

Want to create serial numbers automatically in Excel — without dragging rows or fixing errors manually? In this video, we reveal the magic combo of COUNTA() and SEQUENCE() formulas that dynamically generate serial numbers based on how many rows are filled. 🔢 COUNTA() counts non-empty cells 🔄 SEQUENCE() creates a number list dynamically 💡 Combine them: =SEQUENCE(COUNTA(A2:A100)) 📌 No dragging. No manual work. Just clean and smart Excel automation! ✅ Works in Excel 2019 and Microsoft 365. 🔔 Like, Comment “MAGIC” if you found this helpful, and Subscribe to Tech-ClassRoom for more Excel power tricks!