Guide

1. Right-click on the table and select 'Design View'.

2. Click on the field where you want to validate numeric values.

3. In the 'Field Properties' pane, locate the 'Validation Rule' property.

4. Enter a validation rule and click 'OK'.

5. In the 'Validation Text' property, enter an error message.

6. Save the changes to apply the validation rule by clicking the save icon.