Can you put a formula in a Data Validation list?

If you want to validate cells with your own criteria, create a custom validation rule based on a formula. Here’s how: On the Settings tab of the Data Validation dialog window, select Custom in the Allow box, and enter your data validation formula in the Formula box. Click OK.

How do I create a custom Data Validation in Excel?

The formula in this example checks that the entry in cell B2 is equal to the trimmed entry in that cell.

1. Select cell B2.
2. On the Ribbon’s Data tab, click Data Validation.
3. On the Settings tab, from the Allow drop down, choose: Custom.
4. For the formula, enter: =B2 = TRIM(B2)

How do I add color to a data validation list in Excel?

If you check Row of data range in the Apply to section, you need to select the row range. 2) Add colors to the items of drop-down list one by one. Click at one item in the List Items, then click one color you need to add the color to the selected item. Repeat the step to add colors to all items.

How do I create a custom error alert in Excel?

Create an Error Alert

1. Select the cells in which you want to apply data validation.
2. On the Ribbon, click the Data tab, and click Data Validation.
3. On the Settings tab, choose the data validation settings.
4. Click on the Error Alert tab, and add a check mark to Show error alert after invalid data is entered .

How to use custom formula for data validation?

Select the last option, custom formula one, and use the formula: Click Formatting button, change the background or some other colouring so the validation is made obvious, click OK. See screenshot for results, you still setup your data validation list as per normal for the user to select values from.

How to make drop down list allowing free text ( manually )?

Make drop down list allowing free text in Excel. Please do as follows to make drop down list allowing free text. 1. Select the cells which contain the drop down lists you have already created, and then click Data > Data Validation > Data Validation. See screenshot: 2.

Why is my Custom Data Validation rule not working?

Custom Excel data validation rule not working. If your formula-based data validation rule does not work as expected, there are 3 main points to check: Data validation formula is correct; Validation formula does not refer to an empty cell; Appropriate cell references are used; Check the correctness of your Excel data validation formula

How to quickly create dynamic drop down list in Excel?

If you have a data validation drop down list with large values, you need to scroll down in the list just for finding the proper one, or type the whole word into the list box directly. If there is method for allowing to auto complete when typing the first letter in the drop down list, everything will become easier.

Can you put a formula in a data validation list?

If you want to validate cells with your own criteria, create a custom validation rule based on a formula. Here’s how: On the Settings tab of the Data Validation dialog window, select Custom in the Allow box, and enter your data validation formula in the Formula box. Click OK.

How do you include a blank in a data validation list?

In the Data Validation dialog, select List from the Allow drop-down list, select the list including the blank cell you want to create data validation list based on and uncheck the Ignore blank option. 4. Click OK. Now you will see the first option in the data validation list is blank.

Why is data validation in Excel grayed out?

The reason Data Validation is Greyed Out is due to the characteristics of your spreadsheet. If you spreadsheet is “Protected” or being “Shared” with another file, the Data validation tool is turned off in Excel. The other option is to copy the data set into a new worksheet that is not shared.

How do you allow blanks in Data Validation List?

Why is my data validation not working in Excel?

In the Data Validation dialog box, you can turn off the option for a dropdown list. To turn it back on: In you have a linked picture in an Excel 2013 workbook, on Window 8, the data validation arrow might not appear in the active cell, unless you are pressing the mouse button.

How to fix missing items in data validation?

To fix the missing item problem, follow these steps: 1 Select the data validation cells. 2 On the Excel Ribbon’s Data tab, click Data Validation. 3 On the Settings tab, change the range address* in the Source box, to include the new items. 4 Click OK, to complete the change.

What’s the limit for data validation in Excel?

There are limits to the number of items that will show in a data validation drop down list: The list can show up to show 32,767 items from a list on the worksheet. If you type the items into the data validation dialog box (a delimited list), the limit is 256 characters , including the separators.

What happens when the data validation list is blank?

The person who set up the list left a few blank cells at the end, where new items could be added. When there’s a blank cell in the source list, and the cell with the data validation list is blank, the list will open with the blank entry selected.