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+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 - 404 page
 - legacy version link
 - macros: added add comments and change cell colors in spreadsheet macro sample
+- macros: added change font family and size in presentations macro sample
 
 ## 6.1.0
 - docspace js sdk: react component
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diff --git a/site/pages/Docs/Plugin and Macros/Macros/Samples/Change font family and size/index.md b/site/pages/Docs/Plugin and Macros/Macros/Samples/Change font family and size/index.md
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@@ -0,0 +1,78 @@
+---
+order:
+---
+
+## Description
+
+Change font family and size on all slides in your presentation.
+
+<!-- This code snippet is shown in the screenshot. -->
+
+<!-- eslint-skip -->
+
+```ts
+(function () {
+  var oPresentation = Api.GetPresentation();
+  for (
+    var slideIndex = 0;
+    slideIndex < oPresentation.GetSlidesCount();
+    slideIndex++
+  ) {
+    var oSlide = oPresentation.GetSlideByIndex(slideIndex);
+    var aShape = oSlide.GetAllShapes();
+
+    for (var shapeIndex = 0; shapeIndex < aShape.length; shapeIndex++) {
+      var content = aShape[shapeIndex].GetDocContent();
+      // Check if content is valid before proceeding
+      if (content) {
+        var count = content.GetElementsCount();
+        for (var elementIndex = 0; elementIndex < count; elementIndex++) {
+          var element = content.GetElement(elementIndex);
+          // Check if element is valid before using it
+          if (element) {
+            element.SetFontSize(10);
+            element.SetFontFamily("Comic Sans");
+          }
+        }
+      }
+    }
+  }
+})();
+```
+
+Methods used: GetPresentation, GetSlidesCount, GetSlideByIndex, GetAllShapes, GetDocContent, GetElementsCount, GetElement, SetFontSize, SetFontFamily
+
+## Reference Microsoft VBA macro code
+
+<!-- code generated with AI -->
+
+```vb
+Sub ChangeFontOnAllSlides()
+    Dim slide As slide
+    Dim shape As shape
+
+    ' Loop through each slide in the presentation
+    For Each slide In ActivePresentation.Slides
+        ' Loop through each shape on the slide
+        For Each shape In slide.Shapes
+            ' Check if the shape has text
+            If shape.HasTextFrame Then
+                If shape.TextFrame.HasText Then
+                    With shape.TextFrame.TextRange
+                        .Font.Name = "Arial"
+                        .Font.Size = 20
+                    End With
+                End If
+            End If
+        Next shape
+    Next slide
+
+    MsgBox "Font updated on all slides!", vbInformation
+End Sub
+```
+
+## Result
+
+<!-- imgpath -->
+
+![Change font family and size](/assets/images/plugins/change-font-family-size.png)
diff --git a/site/pages/Docs/Plugin and Macros/Macros/Samples/index.md b/site/pages/Docs/Plugin and Macros/Macros/Samples/index.md
index a25f07778..1b137f1fb 100644
--- a/site/pages/Docs/Plugin and Macros/Macros/Samples/index.md	
+++ b/site/pages/Docs/Plugin and Macros/Macros/Samples/index.md	
@@ -130,6 +130,10 @@ In this example we are adding comments and changing the background colors of sel
 
 [More](Add%20comments%20and%20change%20cell%20colors%20in%20spreadsheet/index.md)
 
+## Change font family and size
+
+In this example we are changing font family and/or size in the presentation.
+
 ## Support
 
 If you want to request a feature or report a bug regarding macros, use the issues section [on GitHub.](https://github.com/ONLYOFFICE/plugin-macros/issues)