A tooltip functionality in Kendo UI is not available out of the box, but you could achieve it using custom code and the HTML Title attribute. For example:
Actually, the idea for the tooltip feature has been already submitted at KendoUI user voice forum, so if you wish you may cast a vote for it or leave a comment. The more votes it collect, the higher priority it will have.
Regards,
Iliana Nikolova
the Telerik team
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