⛔ Restrict the entry of DUPLICATE data in EXCEL, without Macros.

Опубликовано: 28 Июнь 2026
на канале: SMARTpro Academy
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🟢 👩‍💻 Prevent/Restrict, for example, the same invoice from being entered twice, or if you're in HR, avoid entering the same work week twice for the same employee 👍😁, and best of all, without using MACROS 😋.

00:00​ INTRO
✅ 00:59 Step #1: Learning Data Validation.
✅ 02:31 Step #2: Learning Data Validation with a Custom Formula.
✅ 06:47 Step #3: Learning the COUNTIFS function.
✅ 09:07 Step #4: Applying Data Validation to our exercise.
✅ 13:41 Step #5: Customizing the Error Message.

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LINKS to the referenced videos:
▶ 1-minute Tip - Restricting entry of ONLY DATES in EXCEL:
   • Tip 1min - Restringir que se ingresen SOLO...  

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👨‍💻 If you want to download the video file for practice, download it from the following link:
https://smartprosoluciones.com/restri...
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📒 Would you like to know your current level in EXCEL? Take our free test:
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