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+---
+title: Work with data labels in charts using the Excel JavaScript API
+description: Code samples demonstrating chart data label tasks using the Excel JavaScript API.
+ms.date: 04/14/2025
+ms.localizationpriority: medium
+---
+
+# Work with data labels in charts using the Excel JavaScript API
+
+Add data labels to Excel charts to provide a better visualization experience about important aspects of the chart. To learn more about data labels, see [Add or remove data labels in a chart](https://support.microsoft.com/office/add-or-remove-data-labels-in-a-chart-884bf2f1-2e29-454e-8b42-f467c9f4eb2d).
+
+The following code sample sets up the sample data and **Bicycle Part Production** chart used in this article.
+
+```javascript
+async function setup() {
+  await Excel.run(async (context) => {
+    context.workbook.worksheets.getItemOrNullObject("Sample").delete();
+    const sheet = context.workbook.worksheets.add("Sample");
+
+    let salesTable = sheet.tables.add("A1:E1", true);
+    salesTable.name = "SalesTable";
+
+    salesTable.getHeaderRowRange().values = [["Product", "Qtr1", "Qtr2", "Qtr3", "Qtr4"]];
+
+    salesTable.rows.add(null, [
+      ["Frames", 5000, 7000, 6544, 5377],
+      ["Saddles", 400, 323, 276, 1451],
+      ["Brake levers", 9000, 8766, 8456, 9812],
+      ["Chains", 1550, 1088, 692, 2553],
+      ["Mirrors", 225, 600, 923, 344],
+      ["Spokes", 6005, 7634, 4589, 8765]
+    ]);
+
+    sheet.activate();
+    createChart(context);
+  });
+}
+
+async function createChart(context: Excel.RequestContext) {
+  const worksheet = context.workbook.worksheets.getActiveWorksheet();
+  const chart = worksheet.charts.add(
+    Excel.ChartType.lineMarkers,
+    worksheet.getRange("A1:E7"),
+    Excel.ChartSeriesBy.rows
+  );
+  chart.axes.categoryAxis.setCategoryNames(worksheet.getRange("B1:E1"));
+  chart.name = "PartChart";
+
+  // Place the chart below sample data.
+  chart.top = 125;
+  chart.left = 5;
+  chart.height = 300;
+  chart.width = 450;
+
+  chart.title.text = "Bicycle Part Production";
+  chart.legend.position = "Bottom";
+
+  await context.sync();
+}
+```
+
+This image shows how the chart should display after running the sample code.
+
+:::image type="content" source="../images/excel-data-labels-starter-chart.png" alt-text="Screenshot of basic line chart with no data labels, showing six different bicycle parts being produced over four quarters.":::
+
+## Add data labels
+
+To add data labels to a chart, get the series of data points you want to change, and set the `hasDataLabels` property to `true`.
+
+```javascript
+async function addDataLabels() {
+  await Excel.run(async (context) => {
+    const worksheet = context.workbook.worksheets.getActiveWorksheet();
+    const chart = worksheet.charts.getItem("PartChart");
+    await context.sync();
+
+    // Get spokes data series.
+    const series = chart.series.getItemAt(5);
+
+    // Turn on data labels and set location.
+    series.hasDataLabels = true;
+    series.dataLabels.position = Excel.ChartDataLabelPosition.top;
+    await context.sync();
+  });
+}
+```
+
+:::image type="content" source="../images/excel-data-labels-chart.png" alt-text="Screenshot of chart showing data labels that display the amount for each data point.":::
+
+## Format data label size, shape, and text
+
+You can change attributes on data labels using the following APIs.
+
+- Change data label shapes by setting the [geometricShapeType](/javascript/api/excel/excel.chartdatalabel)  property.
+- Change height and width using the [setWidth and setHeight](/javascript/api/excel/excel.chartdatalabel) methods.
+- Change the text using the [text](/javascript/api/excel/excel.chartdatalabel) property.
+- Change the text formatting using the [format](/javascript/api/excel/excel.chartdatalabel) property. You can change the [border, fill, and font](/javascript/api/excel/excel.chartdatalabelformat) properties.
+
+The following code sample shows how to set the shape type, height and width, and font formatting for the data labels.
+
+```javascript
+ await Excel.run(async (context) => {
+    const worksheet = context.workbook.worksheets.getActiveWorksheet();
+    const chart = worksheet.charts.getItem("PartChart");
+    const series = chart.series.getItemAt(5);
+
+    // Set geometric shape of data labels to cubes.
+    series.dataLabels.geometricShapeType = Excel.GeometricShapeType.cube;
+    series.points.load("count");
+    await context.sync();
+    let pointsLoaded = series.points.count;
+
+    // Change height, width, and font size of all data labels.
+    for (let j = 0; j < pointsLoaded; j++) {
+      series.points.getItemAt(j).dataLabel.setWidth(60);
+      series.points.getItemAt(j).dataLabel.setHeight(30);
+      series.points.getItemAt(j).dataLabel.format.font.size = 12;
+    }
+
+    // Set text of a data label.
+    series.points.getItemAt(2).dataLabel.setWidth(80);
+    series.points.getItemAt(2).dataLabel.setHeight(50);
+    series.points.getItemAt(2).dataLabel.text = "Spokes Qtr3: 4589 ↓";
+
+    await context.sync();
+});
+```
+
+In the following screenshot, the chart now includes *count* data labels for the **Spokes** data, with custom text at the third data point.
+
+:::image type="content" source="../images/excel-data-labels-chart-formats.png" alt-text="Screenshot of chart with data labels set to cubes, new size, and custom text in one of the data labels.":::
+
+You can also change the formatting of text in a data label. The following code sample shows how to use the [getSubstring](/javascript/api/excel/excel.chartdatalabel) method to get part of data label text and apply font formatting.
+
+```javascript
+await Excel.run(async (context) => {
+    const worksheet = context.workbook.worksheets.getActiveWorksheet();
+    const chart = worksheet.charts.getItem("PartChart");
+    const series = chart.series.getItemAt(5);
+
+    // Get the "Spokes" data label.
+    let label = series.points.getItemAt(2).dataLabel;
+    label.load();
+    await context.sync();
+
+    // Change border weight of this label.
+    label.format.border.weight = 2;
+    // Format "Qtr3" as bold and italicized. 
+    label.getSubstring(7, 4).font.bold = true;
+    label.getSubstring(7, 4).font.italic = true;
+    // Format "Spokes" as green.
+    label.getSubstring(0, 6).font.color = "green";
+    // Format "4589" as red.
+    label.getSubstring(12).font.color = "red";
+    // Move label up by 15 points.
+    label.top = label.top - 15;
+
+    await context.sync();
+ });
+```
+
+:::image type="content" source="../images/excel-data-labels-chart-substring.png" alt-text="Screenshot of chart showing data label with Spokes set to green, 4589 set to red, and Qtr3 bold and italicized.":::
+
+## Format leader lines
+
+Leader lines connect data labels to their respective data points and make it easier to see what they refer to in the chart. Turn leader lines on using the [showLeaderLines](/javascript/api/excel/excel.chartseries) property. You can set the format of leader lines with the [leaderLines.format](/javascript/api/excel/excel.chartleaderlines) property.
+
+```javascript
+await Excel.run(async (context) => {
+    const worksheet = context.workbook.worksheets.getActiveWorksheet();
+    const chart = worksheet.charts.getItem("PartChart");
+    const series = chart.series.getItemAt(5);
+    
+    // Show leader lines.
+    series.showLeaderLines = true;
+    await context.sync();
+    
+    // Format leader lines as dotted orange lines with weight 2.
+    series.dataLabels.leaderLines.format.line.lineStyle = Excel.ChartLineStyle.dot;
+    series.dataLabels.leaderLines.format.line.color = "orange";
+    series.dataLabels.leaderLines.format.line.weight = 2;
+});
+```
+
+:::image type="content" source="../images/excel-data-labels-chart-leaderlines.png" alt-text="Screenshot of chart with orange dotted leader lines connecting data labels to their data points.":::
+
+## Create callouts
+
+A callout is a data label that connects to the data point using a bubble-shaped pointer. A callout has an anchor which can be moved from the data point to other locations on the chart.
+
+The following code sample shows how to change data labels in a series to use [Excel.GeometricShapeType.wedgeRectCallout](/javascript/api/excel/excel.geometricshapetype). Note that leader lines are turned off to avoid showing two indicators to the same data label.
+
+```javascript
+ await Excel.run(async (context) => {
+    const worksheet = context.workbook.worksheets.getActiveWorksheet();
+    const chart = worksheet.charts.getItem("PartChart");
+    const series = chart.series.getItemAt(5);
+
+    // Change to a wedge rectangle style callout.
+    series.dataLabels.geometricShapeType = Excel.GeometricShapeType.wedgeRectCallout;
+    series.showLeaderLines = false;
+    await context.sync();
+});
+```
+
+:::image type="content" source="../images/excel-data-labels-chart-callout.png" alt-text="Screenshot of chart with data labels formatted as callouts.":::
+
+The following code sample shows how to change the anchor location of a data label.
+
+```javascript
+await Excel.run(async (context) => {
+    const worksheet = context.workbook.worksheets.getActiveWorksheet();
+    const chart = worksheet.charts.getItem("PartChart");
+    const series = chart.series.getItemAt(5);
+
+    let label = series.points.getItemAt(2).dataLabel;
+    let point = series.points.getItemAt(2);
+    label.load();
+    await context.sync();
+
+    let anchor = label.getTailAnchor();
+    anchor.load();
+    await context.sync();
+
+    anchor.top = anchor.top - 10;
+    anchor.left = 40;
+});
+```
+
+This screenshot demonstrates how the anchor of the third data label is adjusted by the preceding code sample.
+
+:::image type="content" source="../images/excel-data-labels-chart-anchor-change.png" alt-text="Screenshot of chart with anchor of Spokes data label moved up and left of the original data point location.":::
+
+## See also
+
+- [Excel JavaScript object model in Office Add-ins](excel-add-ins-core-concepts.md)
+- [Work with charts using the Excel JavaScript API](excel-add-ins-charts.md)
diff --git a/docs/excel/excel-add-ins-charts.md b/docs/excel/excel-add-ins-charts.md
index 1b717102f..0c466000b 100644
--- a/docs/excel/excel-add-ins-charts.md
+++ b/docs/excel/excel-add-ins-charts.md
@@ -1,7 +1,7 @@
 ---
 title: Work with charts using the Excel JavaScript API
 description: Code samples demonstrating chart tasks using the Excel JavaScript API.
-ms.date: 02/15/2022
+ms.date: 04/14/2025
 ms.localizationpriority: medium
 ---
 
@@ -255,3 +255,4 @@ These parameters determine the size of the image. Images are always proportional
 ## See also
 
 - [Excel JavaScript object model in Office Add-ins](excel-add-ins-core-concepts.md)
+- [Work with data labels in charts using the Excel JavaScript API](excel-add-ins-charts-data-labels.md)
diff --git a/docs/excel/excel-add-ins-shapes.md b/docs/excel/excel-add-ins-shapes.md
index 1fce516e1..34b46926f 100644
--- a/docs/excel/excel-add-ins-shapes.md
+++ b/docs/excel/excel-add-ins-shapes.md
@@ -1,7 +1,7 @@
 ---
 title: Work with shapes using the Excel JavaScript API
 description: Learn how Excel defines shapes as any object that sits on the drawing layer of Excel.
-ms.date: 02/17/2022
+ms.date: 04/14/2025
 ms.localizationpriority: medium
 ---
 
@@ -135,6 +135,27 @@ await Excel.run(async (context) => {
 });
 ```
 
+## Get the active shape
+
+Get the active shape by using either of the following methods.
+
+- [Workbook.getActiveShape](/javascript/api/excel/excel.workbook)
+- [Workbook.getActiveShapeOrNullObject](/javascript/api/excel/excel.workbook)
+
+The following code sample shows how to get the active shape in a workbook and increase its height by 10%.
+
+```javascript
+ await Excel.run(async (context) => {
+    const shape = context.workbook.getActiveShapeOrNullObject();
+    if (shape !== null) {
+      shape.load("height");
+      await context.sync();
+      shape.height = shape.height + shape.height * 0.1;
+      await context.sync();
+    }
+  });
+```
+
 ## Text in shapes
 
 Geometric Shapes can contain text. Shapes have a `textFrame` property of type [TextFrame](/javascript/api/excel/excel.textframe). The `TextFrame` object manages the text display options (such as margins and text overflow). `TextFrame.textRange` is a [TextRange](/javascript/api/excel/excel.textrange) object with the text content and font settings.
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diff --git a/docs/toc.yml b/docs/toc.yml
index 29f1b37c3..235a26379 100644
--- a/docs/toc.yml
+++ b/docs/toc.yml
@@ -475,6 +475,9 @@ items:
     - name: Charts
       href: excel/excel-add-ins-charts.md
       displayName: Excel
+    - name: Data labels in charts
+      href: excel/excel-add-ins-charts-data-labels.md
+      displayName: Excel
     - name: Coauthoring in Excel add-ins
       href: excel/co-authoring-in-excel-add-ins.md
       displayName: Excel