Please Note: This article is written for users of the following Microsoft Excel versions: 97, 2000, 2002, and 2003. If you are using a later version (Excel 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Excel, click here: Specifying a Data Validation Error Message.

Specifying a Data Validation Error Message

by Allen Wyatt
(last updated October 13, 2012)

If someone tries to enter a value into a cell that has a data validation rule defined, and that value is outside the bounds of the validation rule you have specified, they will see an error message. Excel allows you to modify the default error message to provide meaningful information to the user. When used in conjunction with the input message, data validation becomes a very powerful tool in developing worksheets to be used by others.

  1. Select the cell for which you want to define the messages.
  2. Choose Validation from the Data menu. Excel displays the Data Validation dialog box.
  3. Set any data validation rules desired.
  4. Click on the Error Alert tab. (See Figure 1.)
  5. Figure 1. The Error Alert tab of the Data Validation dialog box.

  6. Use the Style drop-down list to select different icons that should appear in the error message dialog box.
  7. Enter a message in both the Title and Error Message fields, as desired.
  8. Click on the OK button.

When the user enters an incorrect value and presses Enter or tries to move to another cell, a dialog box appears with your message.

You should realize that what the user can do once the error message dialog box is displayed is dependent on which error style you chose in step 5. For instance, if you choose the Stop style, the user can only retry their entry or cancel it. (In other words, you are forcing them to put in the right value.) If you choose the Warning style, then they are notified of their error, but they can still continue with the wrong value in the cell. Finally, the Information style is the most gentle reminder of all, and the user can still go on and accept the incorrect entry.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (2855) applies to Microsoft Excel 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Excel (Excel 2007 and later) here: Specifying a Data Validation Error Message.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He  is president of Sharon Parq Associates, a computer and publishing services company. ...

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