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How to alert when entering identical Excel data
Step 1:
In the Excel table, you want to set up the same data message, highlight the column to do, then click on the Data tab and select Data Validation , also click Data Validation .
Step 2 :
The Data Validation dialog box appears, click the Settings tab, and then adjust the values as shown below.
The Allow section selects Custom in the list.
Formual click on the arrow icon on the right hand side to select the data area in the cell containing the previously highlighted data. Or you can enter the formula = CONUTIF ($ C $ 2: $ C $ 7, C2) = 1 to localize the data from C2 to C7.
Step 3:
Switching to the Error Alert section also sets the settings as follows.
The Style section click on Stop.
Title entry will enter the notification title when entering the same data.
The Error message entry field contains an error warning line here.
When finished setting, click OK to save.
Step 4:
Go back to the area of the notification. When you enter the same data, the message will appear as shown below for us to know and check, re-enter the data correctly.
Creating notifications when entering data in Excel with Data Validation will help users in managing the table content more easily. You will know immediately what content has problems to correct it in time.
See more:
How to use SUM in Excel
Instructions on how to copy formulas in Excel
Instructions on how to use the Dmax function in Excel
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