In addition to built-in Excel data validation rules discussed in this tutorial, you can createcustom ruleswith your own data validation formulas. Here are just a few examples: Allow numbers only Allow text only Allow text beginning with specific characters Allow only unique entries and disallow du...
Excel data validation to allow numbers only Surprisingly, none of the inbuilt Excel data validation rules cater for a very typical situation when you need to restrict users to entering only numbers in specific cells. But this can be easily done with a custom data validation formula based on the...
Only allow numeric characters entry with Data Validation If you only allow numeric characters entry in a column, you can do as these: 1. Select the column you want to limit the entry, and click Data > Data Validation > Data Validation....
1. Select the column or range of cells which you want to prevent the duplicate values but allow only unique data. 2. Then click Kutools > Prevent Typing > Prevent Duplicate, see screenshot:3. And a warning message will pop out to remind you the Data Validation will be remove if applying...
Depending on the validation criteria, Settings will allow you to set multiple parameters. For example, allowing a Whole Number will prompt you to choose from the following options, followed by a “Maximum” option. Between: Will only apply to whole numbers within a set range Not between: Will...
Data validation is a feature in MS Excel used to control what a user can enter in a cell of an Excel sheet. For restricts the entries in a sheet, such as a date range or whole numbers only. We can even create dropdowns, which save unnecessary space and shows the values in a single...
Any value technically means that there’s no data validation. Whole number: Users can only enter whole numbers into selected cells. Decimals aren’t allowed. When you choose “whole number,” you’ll have the option to further limit user input by selecting a named range of acceptable whole...
You can restrict cell entries to a predefined list. (Data > Validation). In the allow box, select list. Make sure the "in cell" drop-down is selected. There are three levels of data validation Information, Warning and Stop. The default is Stop which means that data or numbers cannot be...
In Excel, data validation allows for precise control over numeric inputs. Let us learn how to set validation criteria to accept only whole numbers or specific decimal ranges within cells. By enforcing these constraints, you can maintain data accuracy and integrity, ensuring that your spreadsheet co...
The Data Validation window will open up. In the newly opened window, go to the Settings tab. Select Custom in the Allow field. Write down the following formula in the Formula field. =COUNT(MATCH(MID(B5,ROW(INDIRECT("1:"&LEN(B5))),1),characters&"",0))=LEN(B5) This formula is the...