diff --git a/uwp/Spreadsheet/Editing.md b/uwp/Spreadsheet/Editing.md
index cd39f9df9..541c46f39 100644
--- a/uwp/Spreadsheet/Editing.md
+++ b/uwp/Spreadsheet/Editing.md
@@ -218,7 +218,7 @@ validation.ErrorBoxText = "Sum of the values in A1 and A2 should be greater than
 {% endhighlight %}
 {% endtabs %}
 
-For more reference, please go through the [XlsIO](http://help.syncfusion.com/file-formats/xlsio/working-with-data-validation) UG.
+For more reference, please go through the [XlsIO](https://help.syncfusion.com/file-formats/xlsio/working-with-data-validation) UG.
 
 T> If you want to load ComboBox to a cell in SfSpreadsheet, you can apply List Validation to that cell.
 
diff --git a/uwp/Spreadsheet/Formatting.md b/uwp/Spreadsheet/Formatting.md
index 1cab7e722..c87fc41bb 100644
--- a/uwp/Spreadsheet/Formatting.md
+++ b/uwp/Spreadsheet/Formatting.md
@@ -303,13 +303,13 @@ spreadsheet.ActiveGrid.InvalidateCells();
 {% endhighlight %}
 {% endtabs %}
 
-For more information regarding formatting options, please go through [XlsIO](http://help.syncfusion.com/file-formats/xlsio/working-with-cell-or-range-formatting)
+For more information regarding formatting options, please go through [XlsIO](https://help.syncfusion.com/file-formats/xlsio/working-with-cell-or-range-formatting)
 
-N> Users need to [refresh the view](http://help.syncfusion.com/uwp/sfspreadsheet/working-with-sfspreadsheet#refreshing-the-view) after the formatting is applied on the XlsIO range to update the styles in `SpreadsheetGrid`.
+N> Users need to [refresh the view](https://help.syncfusion.com/uwp/spreadsheet/working-with-sfspreadsheet#refreshing-the-view) after the formatting is applied on the XlsIO range to update the styles in `SpreadsheetGrid`.
 
 ## Clear formatting
 
-SfSpreadsheet provides support to clear the contents of a cell along with its formatting or by specifying the required clear options using [ExcelClearOptions](http://help.syncfusion.com/cr/file-formats/Syncfusion.XlsIO.ExcelClearOptions.html) enum which specifies the possible directions to clear the cell formats, content, comments,conditional format,data validation or clear all of them.
+SfSpreadsheet provides support to clear the contents of a cell along with its formatting or by specifying the required clear options using [ExcelClearOptions](https://help.syncfusion.com/cr/file-formats/Syncfusion.XlsIO.ExcelClearOptions.html) enum which specifies the possible directions to clear the cell formats, content, comments,conditional format,data validation or clear all of them.
 
 {% tabs %}
 {% highlight c# %}
diff --git a/uwp/Spreadsheet/Localization.md b/uwp/Spreadsheet/Localization.md
index b1195402e..89edd853f 100644
--- a/uwp/Spreadsheet/Localization.md
+++ b/uwp/Spreadsheet/Localization.md
@@ -39,14 +39,14 @@ The following steps show how to implement the localization in SfSpreadsheet,
 
 * Create a folder and name it as ‘Resources’ in your application.
 * Add the default resource[English("en-US")] file of `SfSpreadsheet` in the 'Resources' folder named as Syncfusion.SfSpreadsheet.UWP.resw.
-  You can download the Resw file [here](http://www.syncfusion.com/downloads/support/directtrac/general/ze/Syncfusion.SfSpreadsheet.UWP.Resources1773657760)
+  You can download the Resw file [here](https://www.syncfusion.com/downloads/support/directtrac/general/ze/Syncfusion.SfSpreadsheet.UWP.Resources1773657760)
 * Create Resw(resource) file under the 'Resources' folder and name it as Syncfusion.SfSpreadsheet.UWP.[Culture name].resw. 
   For example, Syncfusion.SfSpreadsheet.UWP.ja.resw for Japanese culture. 
 
 ![UWP SfSpreadsheet displays added resource file](localization_images/Loc_Image1.png)
 
 * Add the resource key such as name and its corresponding localized value in Resource Designer of Syncfusion.SfSpreadsheet.UWP.ja.resw file. 
-  For your reference, you can download the Japanese("ja-JP") Resw file [here](http://www.syncfusion.com/downloads/support/directtrac/general/ze/Syncfusion.SfSpreadsheet.UWP.Resources.ja2068752327)
+  For your reference, you can download the Japanese("ja-JP") Resw file [here](https://www.syncfusion.com/downloads/support/directtrac/general/ze/Syncfusion.SfSpreadsheet.UWP.Resources.ja2068752327)
 
 ![UWP SfSpreadsheet displays resource file item list](localization_images/Loc_Image2.png)