DataLabels collection (Excel Graph) | Microsoft Docs In this article. A collection of all the DataLabel objects for the specified series. Each DataLabel object represents a data label for a point or trendline. For a series without definable points (such as an area series), the DataLabels collection contains a single data label.. Remarks. Use the DataLabels method to return the DataLabels collection.. Use DataLabels (index), where index is the ...