UG documentation 997601: FAQ for how can I open a CSV file with a tab delimiter using XlsIO

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 										<a href="/document-processing/excel/excel-library/net/faqs/how-to-set-invert-if-negative-option-for-a-chart">How to set invert if negative option for a chart using XLsIO?</a>
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 										<a href="/document-processing/excel/excel-library/net/faqs/how-to-merge-cells-preserving-topleft-value-and-format-in-xlsio">How to merge cells preserving topleft value and format in XlsIO?</a>
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+										<a href="/document-processing/excel/excel-library/net/faqs/how-to-open-a-csv-file-with-a-tab-delimiter-using-xlsio">How to open a CSV file with a tab delimiter using XlsIO?</a>
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Document-Processing/Excel/Excel-Library/NET/faqs/how-to-open-a-csv-file-with-a-tab-delimiter-using-xlsio.md

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+---
+title: How to open a CSV file with a tab delimiter using XlsIO? | Syncfusion
+description: This FAQ explains how to open a CSV file with a tab delimiter using Syncfusion XlsIO Excel library by passing the delimiter as an argument to the Open method.
+platform: document-processing
+control: XlsIO
+documentation: UG
+---
+
+# How to open a CSV file with a tab delimiter using XlsIO?
+
+Syncfusion XlsIO allows you to open CSV files with custom delimiters, including tab delimiters. When opening a CSV file, you can specify the delimiter character as the second parameter in the [Open](https://help.syncfusion.com/cr/document-processing/Syncfusion.XlsIO.IWorkbooks.html#Syncfusion_XlsIO_IWorkbooks_Open_System_String_Syncfusion_XlsIO_ExcelOpenType_) method.
+
+The following code example illustrates how to open a CSV file with a tab delimiter using XlsIO.
+
+{% tabs %}  
+{% highlight c# tabtitle="C# [Cross-platform]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    // Instantiate the Excel application object
+    IApplication application = excelEngine.Excel;
+
+    // Assign default application version
+    application.DefaultVersion = ExcelVersion.Xlsx;
+
+    // Open a CSV file with a tab delimiter ("\t")
+    IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/InputTemplate.csv"), "\t");
+
+    // Access the first worksheet from the workbook
+    IWorksheet worksheet = workbook.Worksheets[0];
+
+    // Save the workbook to disk in XLSX format
+    workbook.SaveAs(Path.GetFullPath(@"Output/Output.xlsx"));
+}
+{% endhighlight %}
+
+{% highlight c# tabtitle="C# [Windows-specific]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    // Instantiate the Excel application object
+    IApplication application = excelEngine.Excel;
+
+    // Assign default application version
+    application.DefaultVersion = ExcelVersion.Xlsx;
+
+    // Open a CSV file with a tab delimiter ("\t")
+    IWorkbook workbook = application.Workbooks.Open("InputTemplate.csv", "\t");
+
+    // Access the first worksheet from the workbook
+    IWorksheet worksheet = workbook.Worksheets[0];
+
+    // Save the workbook to disk in XLSX format
+    workbook.SaveAs("Output.xlsx");
+}
+{% endhighlight %}
+
+{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
+Using excelEngine As New ExcelEngine()
+    ' Instantiate the Excel application object
+    Dim application As IApplication = excelEngine.Excel
+
+    ' Assign default application version
+    application.DefaultVersion = ExcelVersion.Xlsx
+
+    ' Open a CSV file with a tab delimiter ("\t")
+    Dim workbook As IWorkbook = application.Workbooks.Open("nputTemplate.csv", "\t")
+
+    ' Access the first worksheet from the workbook
+    Dim worksheet As IWorksheet = workbook.Worksheets(0)
+
+    ' Save the workbook to disk in XLSX format
+    workbook.SaveAs("Output.xlsx")
+End Using
+{% endhighlight %}
+{% endtabs %}
+
+A complete working example in C# is present on <a href="https://github.com/SyncfusionExamples/XlsIO-Examples/tree/997601-CSV-Tab/FAQ/CSV%20With%20Tab/.NET/CSV%20Wtih%20Tab">this GitHub page</a>.