NewAccess
Access: Rounded corners on Access form controls
A new CornerRadius property is being added to Access form controls, allowing admins and developers to apply rounded corners to form elements for a more modern appearance. This is an optional new capability with no mandatory actions required.
Microsoft's description
We’re making it easier to give your Access apps a polished, up-to-date feel. With the new CornerRadius property, you can add rounded corners to form controls—bringing a softer, more modern look to your designs.