How do you use data validation for unique values in Excel?
Allow unique values only
- Click the Data tab, then the Data Validation menu and select Data Validation.
- Click the Allow: drop-down button and select Custom as Validation criteria.
- Enter the following in the Formula bar: =COUNTIF(C$3:C$7,C3)<2.
How do I allow only unique values in Excel?
In Excel, there are several ways to filter for unique values—or remove duplicate values:
- To filter for unique values, click Data > Sort & Filter > Advanced.
- To remove duplicate values, click Data > Data Tools > Remove Duplicates.
How do I remove duplicates in data validation list in Excel?
You also can remove the duplicates from the table list firstly, then create the drop down list.
- Select the column range you want to use in the table, the press Ctrl + C to copy it, and place it to another position by pressing Ctrl + V.
- Then keep selecting the list, click Data > Remove Duplicates.
How do I create a dynamic data validation list in Excel?
Creating a Dynamic Drop Down List in Excel (Using OFFSET)
- Select a cell where you want to create the drop down list (cell C2 in this example).
- Go to Data –> Data Tools –> Data Validation.
- In the Data Validation dialogue box, within the Settings tab, select List as the Validation criteria.
Is there a unique function in Excel?
The Excel UNIQUE function returns a list of unique values in a list or range. Values can be text, numbers, dates, times, etc. array – Range or array from which to extract unique values.
Is unique Excel?
The Excel UNIQUE function can extract a list of distinct values, or a list of values that only occur once, i.e. unique values. It can return a unique or distinct list from one column or from multiple columns. array is the range or array you want the unique values returned from.
How do I keep only duplicates in Excel?
Show only duplicates with Conditional Formatting and Filter functions
- Select the values you want to show only duplicates, and click Home > Conditional Formatting > Highlight Cells Rules > Duplicate Values.
- Click at the column header Name, and click Data > Filter to enable the Filter function.
How do I get unique values between two columns in Excel?
Find unique/duplicate values between two columns with formula. The following formula can also help you to find the unique values, please do as this: In a blank cell B2, enter this formula =IF(ISNA(VLOOKUP(A2,$C$2:$C$13,1,FALSE)),”Yes”,””), and then drag this cell’s AutoFill Handle to the cell B15.