diff --git a/wpf/DataGrid/Export-To-PDF.md b/wpf/DataGrid/Export-To-PDF.md
index 3c6c950ee..7ee89e62f 100644
--- a/wpf/DataGrid/Export-To-PDF.md
+++ b/wpf/DataGrid/Export-To-PDF.md
@@ -289,7 +289,7 @@ document.Save("Sample.pdf");
 {% endhighlight %}
 {% endtabs %}
 
-You can refer [PDF documentation](https://help.syncfusion.com/file-formats/pdf/open-and-save-pdf-file-in-c-sharp-vb-net#saving-a-pdf-document-to-file-system). 
+You can refer [PDF documentation](https://help.syncfusion.com/document-processing/pdf/pdf-viewer/wpf/saving-the-pdf-document). 
 
 ### Save as stream
 
@@ -304,7 +304,7 @@ fileStream.Close();
 {% endhighlight %}
 {% endtabs %}
 
-You can refer [PDF documentation](https://help.syncfusion.com/file-formats/pdf/open-and-save-pdf-file-in-c-sharp-vb-net#saving-a-pdf-document-to-stream). 
+You can refer [PDF documentation](https://help.syncfusion.com/document-processing/pdf/pdf-viewer/wpf/saving-the-pdf-document). 
 
 ### Save using File dialog
 
@@ -340,7 +340,7 @@ if (sfd.ShowDialog() == true)
 
 ## Opening exported PDF without saving
 
-You can view exported PDF document without saving by using [PDFViewerControl](https://help.syncfusion.com/wpf/pdf-viewer/overview).
+You can view exported PDF document without saving by using [PDFViewerControl](https://help.syncfusion.com/document-processing/pdf/pdf-viewer/wpf/overview).
 
 {% tabs %}
 {% highlight c# %}
diff --git a/wpf/Welcome-to-Syncfusion-Essential-WPF.md b/wpf/Welcome-to-Syncfusion-Essential-WPF.md
index 3e4cbbf7d..ddbfc478a 100644
--- a/wpf/Welcome-to-Syncfusion-Essential-WPF.md
+++ b/wpf/Welcome-to-Syncfusion-Essential-WPF.md
@@ -201,7 +201,7 @@ N> The name of the Visual Studio Toolbox entry provided when the common control
 			FILE VIEWERS & EDITORS<br/>
 		</td>	
 		<td>
-			<a href="https://help.syncfusion.com/wpf/pdf-viewer/getting-started" >PDF Viewer</a><br/>
+			<a href="https://help.syncfusion.com/document-processing/pdf/pdf-viewer/wpf/getting-started" >PDF Viewer</a><br/>
 		</td>
 	</tr>
 	<tr>
@@ -213,7 +213,7 @@ N> The name of the Visual Studio Toolbox entry provided when the common control
 	</tr>
 	<tr>
 		<td>
-			<a href="https://help.syncfusion.com/wpf/richtextbox/getting-started" >RichTextBox</a><br/>
+			<a href="https://help.syncfusion.com/document-processing/word/word-processor/wpf/getting-started" >RichTextBox</a><br/>
 		</td>
 	</tr>
 	<tr>
@@ -231,17 +231,17 @@ N> The name of the Visual Studio Toolbox entry provided when the common control
 	</tr>	
     <tr>
 		<td>
-			<a href="https://help.syncfusion.com/file-formats/pdf/create-pdf-file-in-wpf" >PDF</a><br/>
+			<a href="https://help.syncfusion.com/document-processing/pdf/pdf-library/net/create-pdf-file-in-wpf" >PDF</a><br/>
 		</td>
 	</tr>
     <tr>
 	    <td>
-			<a href="https://help.syncfusion.com/file-formats/docio/getting-started" >Word</a><br/>
+			<a href="https://help.syncfusion.com/document-processing/word/word-library/net/getting-started" >Word</a><br/>
 		</td>
 	</tr>
     <tr>
 	    <td>
-			<a href="https://help.syncfusion.com/file-formats/presentation/getting-started" >PowerPoint</a><br/>
+			<a href="https://help.syncfusion.com/document-processing/powerpoint/powerpoint-library/net/getting-started" >PowerPoint</a><br/>
 		</td>
 	</tr>
     <tr>