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6 years ago
I wonder if we get any replies, this function is not working
Quickly prevent duplicate entries in a column in Excel
Kutools for Excel
When it comes to prevent or avoid duplicate entries in a column, we may consider the function of Data Validation in Excel. But using the Date Validation to prevent duplicate entries in a column, you may need to spend some time on how to get it work first. However, with the Prevent Duplicate entries utility of Kutools for Excel, you can easily prevent duplicate entries in a column in Excel.
Prevent duplicate entries in a whole column
Prevent duplicate entries in a range of the column
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Prevent duplicate entries in a whole column
Click Kutools >> Prevent Typing >> Prevent Duplicate, see screenshot:
Usage:
1. Select a single column that you want to prevent duplicate entries.
2. And then apply the utility by clicking Kutools > Prevent Typing > Prevent Duplicate, a dialog pops out to remind you it will remove Data Validation in your selected range if continue the operation. See screenshot:
3. Click Yes to continue, and a dialog pops out to remind you the selected range has been prevented typing duplicates. See screenshot:
4. Click OK, from now, when you try to type in the same data in the same column, you won’t be allowed. See screenshot:
Tip: if you have not selected a single column before applying the utility, then the column of the active cell will be set to prevent duplicate entries.
Prevent duplicate entries in a range of the column
Click Kutools >> Prevent Typing >> Prevent Duplicate, see screenshot:
Usage:
1. Select the range in the column which you want to avoid duplicate entries, see screenshot:
2. Click Kutools > Prevent Typing > Prevent Duplicate, and click Yes > OK in the popping out dialogs to continue the operation. See screenshot:
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when you type the same data into this selected range, a dialog is displayed to remind you the value you type is invalid. See screenshot:
If you type the same data out of the selected range in the column, it is valid, see screenshot:
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Note:
This function supports undo (Ctrl + Z).
Demo: prevent duplicate entries in a column in Excel
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Kutools for Excel: More than 300 Advanced Functions for Excel 2019, 2016, 2013, 2010, 2007 and Office 365.
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The following tools can greatly save your time and money, which one is right for you?
Office Tab: Using handy tabs in your Office, as the way of Chrome, Firefox and New Internet Explorer.
Kutools for Excel: More than 300 Advanced Functions for Excel 2019, 2016, 2013, 2010, 2007 and Office 365.
Classic Menu for Office: Bring back familiar menus to Office 2007, 2010, 2013, 2016, 2019 and 365, as if it were Office 2000 and 2003.
Kutools for Excel
The functionality described above is just one of 300 powerful functions of Kutools for Excel.
Designed for Excel(Office) 2019, 2016, 2013, 2010, 2007 and Office 365. Free download and use for 60 days.
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