The sample demonstrates how to Convert Word to RTF.

private void button1_Click(object sender, EventArgs e)
{
    //Create word document
    Document document = new Document();
    document.LoadFromFile(@"..\..\..\..\..\..\Data\FindAndReplace.doc");

    //Save doc file.
    document.SaveToFile("Sample.rtf", FileFormat.Rtf);

    //Launching the MS Word file.
    WordDocViewer("Sample.rtf");
}

private void WordDocViewer(string fileName)
{
    try
    {
        System.Diagnostics.Process.Start(fileName);
    }
    catch { }
}

Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button1.Click
	'Create word document
	Dim document_Renamed As New Document()
	document_Renamed.LoadFromFile("..\..\..\..\..\..\Data\FindAndReplace.doc")

	'Save doc file.
	document_Renamed.SaveToFile("Sample.rtf", FileFormat.Rtf)

	'Launching the MS Word file.
	WordDocViewer("Sample.rtf")
End Sub

Private Sub WordDocViewer(ByVal fileName As String)
	Try
		Process.Start(fileName)
	Catch
	End Try
End Sub

The sample demonstrates how to save a Word document to image with Spire.Doc.

private void button1_Click(object sender, EventArgs e)
{
    //Create word document
    Document document = new Document();
    document.LoadFromFile(@"..\..\..\..\..\..\Data\FindAndReplace.doc");

    //Save doc file.
    Image img = document.SaveToImages(0, ImageType.Bitmap);
    img.Save("sample.bmp");

    //Launching the image file.
    WordDocViewer("sample.bmp");
}

private void WordDocViewer(string fileName)
{
    try
    {
        System.Diagnostics.Process.Start(fileName);
    }
    catch { }
}

Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button1.Click
	'Create word document
	Dim document_Renamed As New Document()
	document_Renamed.LoadFromFile("..\..\..\..\..\..\Data\FindAndReplace.doc")

	'Save doc file.
	Dim img As Image = document_Renamed.SaveToImages(0, ImageType.Bitmap)
	img.Save("sample.bmp")

	'Launching the image file.
	WordDocViewer("sample.bmp")
End Sub

Private Sub WordDocViewer(ByVal fileName As String)
	Try
		Process.Start(fileName)
	Catch
	End Try
End Sub

The sample demonstrates how to Convert Word to HTML.

private void button1_Click(object sender, EventArgs e)
{
    //Create word document
    Document document = new Document();
    document.LoadFromFile(@"..\..\..\..\..\..\Data\FindAndReplace.doc");

    //Save doc file.
    document.SaveToFile("Sample.html", FileFormat.Html);

    //Launching the MS Word file.
    WordDocViewer("Sample.html");
}

private void WordDocViewer(string fileName)
{
    try
    {
        System.Diagnostics.Process.Start(fileName);
    }
    catch { }
}

Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button1.Click
	'Create word document
	Dim document_Renamed As New Document()
	document_Renamed.LoadFromFile("..\..\..\..\..\..\Data\FindAndReplace.doc")

	'Save doc file.
	document_Renamed.SaveToFile("Sample.html", FileFormat.Html)

	'Launching the MS Word file.
	WordDocViewer("Sample.html")
End Sub

Private Sub WordDocViewer(ByVal fileName As String)
	Try
		Process.Start(fileName)
	Catch
	End Try
End Sub