Avoid DUPLICATE DATA in Excel

Опубликовано: 11 Май 2026
на канале: Tutorial Excel
28,376
214

With data validation, we can establish a way to prevent or restrict the possibility of entering duplicate data in Excel.

With conditional formatting, we can find duplicate data within a given range.

▶️    • Cómo encontrar valores DUPLICADOS en Excel 🔎  

We can also remove duplicate data with the "Remove Duplicates" tool.

▶️    • Cómo ELIMINAR DUPLICADOS en Excel  

However, we can also anticipate and prevent duplicate values ​​from being entered as we go. This would be done using Data Validation and the COUNTIF function.

In this video, we'll see how to avoid DUPLICATE DATA in Excel.

---------------------------------------------------------------------------
Link to the exercise file:
✔️ https://tutorialexcel.com/desc-T044
---------------------------------------------------------------------------
Also check out these related videos:
🎯 SUMIF Function - Adding cells that meet a condition    • Función SUMAR.SI - Sumar celdas que cumpl...  
🎯 SUMIFS Function - Adding values ​​that meet multiple conditions    • Función SUMAR.SI.CONJUNTO - Para sumar val...  
---------------------------------------------------------------------------
🔴 Don't forget to subscribe to the channel to stay up to date with all the latest content:

https://www.youtube.com/c/tutorialexc...
🎬 Watch the latest videos:    / tutorialexcelcom  
----------------------------------------------------------------------------
📄 Article on the web:

https://tutorialexcel.com/
----------------------------------------------------------------------------
Follow me on:
🌎 WEB: https://tutorialexcel.com
👥 Facebook:   / tutorialexcelcom  
📱 TikTok:   / tutorialexcel  
----------------------------------------------------------------------------
Thanks for watching the video and subscribing to the channel 😃 Also, turn on notifications 🔔

#exceltutorial #tutorialexcel #exceltips