## FileFormatUtil.LoadFormatToExtension method

Converts a load format enumerated value into a file extension.

```csharp
public static string LoadFormatToExtension(LoadFormat loadFormat)
```

| Parameter | Type | Description |
| --- | --- | --- |
| loadFormat | LoadFormat | The loaded file format. |

### Return Value

The returned extension is a lower-case string with a leading dot.

### Remarks

If it can not be converted, returns null.

### Examples

```csharp
using System;
using Aspose.Cells;

namespace AsposeCellsExamples
{
    public class FileFormatUtilMethodLoadFormatToExtensionWithLoadFormatDemo
    {
        public static void Run()
        {
            // Demonstrate LoadFormatToExtension with various LoadFormat values
            Console.WriteLine("Auto format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Auto));
            Console.WriteLine("CSV format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Csv));
            Console.WriteLine("Excel97-2003 format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Excel97To2003));
            Console.WriteLine("XLSX format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Xlsx));
            Console.WriteLine("TSV format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Tsv));
            Console.WriteLine("ODS format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Ods));
            Console.WriteLine("XLSB format extension: " + FileFormatUtil.LoadFormatToExtension(LoadFormat.Xlsb));
        }
    }
}
```

### See Also

* enum [LoadFormat](../../loadformat/)
* class [FileFormatUtil](../)
* namespace [Aspose.Cells](../../../aspose.cells/)
* assembly [Aspose.Cells](../../../)