Excel Data validation allow weekday onlyExcel Data validation unique values onlyReject duplicate data entry in a cell range.To allow only unique values in a given range, you can use data validation with a custom formula based on the COUNTIF function. Formula =COUNTIF(range,A1)<2 Note: Cell...
Select Data Validation. Select List in Allow. Enter $F$5:$F$8 in Source. Click OK. The drop-down list is displayed in F10 with the unique countries. Read More: How to Remove Duplicates from Drop Down List in Excel Method 3 – Use the UNIQUE Function to Create a Drop Down List with...
Then the tool opens up the formula box. Here we will apply a data validation on the B2 cell to allow the user to input only unique values. Below is the formula to apply.Use the formula:=COUNTIF(B:B, B2)<=1ExplanationCOUNTIF function counts the B2 value in the B column. And ...
The tutorial looks at how to get unique values in Excel by using the UNIQUE function and dynamic arrays. You will learn a simple formula to find unique values in a column or row, in multiple columns, based on conditions, and a lot more. In the previous versions of Excel, extracting a ...
Only allow unique values in worksheet with VBA codeOnly allow unique values in worksheet with Data Validation In fact, the Data Validation function of Excel can help you to solve this problem, please do as follows: 1. Select the cells or column that you want to only unique values entered,...
Here, I have used the SORT function along with the UNIQUE function to sort the above Area data. The above formula returns sorted unique data as an array (outlined in blue). Create the drop-down list in Cell H5 (choose Data Validation in the Data tab). From the Data Validation dialog ...
For example, you can use theIFERRORfunction to wrap yourDATEVALUEformula and specify a default value or a custom error message to display when an error occurs. This ensures your spreadsheet remains robust and user-friendly, even when dealing with potentially problematic date data. ...
This workbook contains more unique cell formats than are supported by the selected file format. Some cell formats will not be saved. What it means Beginning with Excel 2007, you can use 64,000 unique cell formats, but in Excel 97-2003, you can only use up to 4,000 unique...
Now use the named range nameHeadersin the Data Validation dialog box. 1.1 Watch this video to learn more 2. How to populate a drop-down list with values from an Excel Table column? The easiest way is to use the INDIRECT function to create a reference to an Excel Table ...
Learn how to add, use, copy, and remove data validation in Excel. This comprehensive guide covers everything you need to know for effective data management.