UG documentation 990132: Convert .xslb to .xlsx

Document-Processing-toc.html

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 										<a href="/document-processing/excel/excel-library/net/faqs/how-to-avoid-conflicts-when-using-multiple-versions-of-Syncfusion-libraries">How to avoid conflicts when using multiple versions of Syncfusion libraries?</a>
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+										<a href="/document-processing/excel/excel-library/net/faqs/does-xlsio-support-converting-an-xlsb-file-to-xlsx">Does XlsIO support converting an XLSB file to XLSX?</a>
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Document-Processing/Excel/Excel-Library/NET/faqs/does-xlsio-support-converting-an-xlsb-file-to-xlsx.md

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+---
+title: Convert XLSB to XLSX using XlsIO | Syncfusion
+description: This page explains how to convert an XLSB file to XLSX with the Syncfusion .NET Excel (XlsIO) library. 
+platform: document-processing
+control: XlsIO
+documentation: UG
+---
+
+# Does XlsIO support converting an XLSB file to XLSX?
+
+Yes. XlsIO supports converting an XLSB file to XLSX; however, the conversion is limited to cell values and cell styles. 
+
+The example below shows how to convert an XLSB file to an XLSX file.
+
+{% tabs %}  
+{% highlight c# tabtitle="C# [Cross-platform]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+
+    //Open an existing XLSB file
+    IWorkbook workbook = application.Workbooks.Open("Sample.xlsb");
+
+    //Save the file as XLSX
+    workbook.SaveAs("Output.xlsx");
+}
+{% endhighlight %}
+
+{% highlight c# tabtitle="C# [Windows-specific]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+
+    //Open an existing XLSB file
+    IWorkbook workbook = application.Workbooks.Open("Sample.xlsb");
+
+    //Save the file as XLSX
+    workbook.SaveAs("Output.xlsx");
+}
+{% endhighlight %}
+
+{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
+Using excelEngine As New ExcelEngine()
+    Dim application As IApplication = excelEngine.Excel
+    application.DefaultVersion = ExcelVersion.Xlsx
+
+    ' Open an existing XLSB file
+    Dim workbook As IWorkbook = application.Workbooks.Open("Sample.xlsb")
+
+    ' Save the file as XLSX
+    workbook.SaveAs("Output.xlsx")
+End Using
+{% endhighlight %}
+{% endtabs %}