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

The sample demonstrates how to insert watermark into Word document.

private void button1_Click(object sender, EventArgs e)
{
    //Create word document
    Document document = new Document();

    InsertWatermark(document);

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

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


}

private void InsertWatermark(Document document)
{
    Paragraph paragraph = document.AddSection().AddParagraph();
    paragraph.AppendText("The sample demonstrates how to insert a watermark into a document.");
    paragraph.ApplyStyle(BuiltinStyle.Heading2);

    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph.AppendText("Microsoft Word is a word processor designed by Microsoft. It was first released in 1983 under the name Multi-Tool Word for Xenix systems. Subsequent versions were later written for several other platforms including IBM PCs running DOS (1983), the Apple Macintosh (1984), the AT&T Unix PC (1985), Atari ST (1986), SCO UNIX, OS/2, and Microsoft Windows (1989).");
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph.AppendText("Spire.Doc can generate, modify, convert, render and print documents without utilizing Microsoft Word.");
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph.AppendText("The sample demonstrates how to insert a watermark into a document.");
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph.AppendText("Microsoft Word is a word processor designed by Microsoft. It was first released in 1983 under the name Multi-Tool Word for Xenix systems. Subsequent versions were later written for several other platforms including IBM PCs running DOS (1983), the Apple Macintosh (1984), the AT&T Unix PC (1985), Atari ST (1986), SCO UNIX, OS/2, and Microsoft Windows (1989).");
    paragraph = document.Sections[0].AddParagraph();
    paragraph = document.Sections[0].AddParagraph();
    paragraph.AppendText("Spire.Doc can generate, modify, convert, render and print documents without utilizing Microsoft Word.");
    

    TextWatermark txtWatermark = new TextWatermark();
    txtWatermark.Text = "Watermark Demo";
    txtWatermark.FontSize = 90;
    txtWatermark.Layout = WatermarkLayout.Diagonal;
    document.Watermark = txtWatermark;
 
}

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()

	InsertWatermark(document_Renamed)

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

	'Launching the MS Word file.
	WordDocViewer("Sample.doc")


End Sub

Private Sub InsertWatermark(ByVal document_Renamed As Document)
	Dim paragraph_Renamed As Paragraph = document_Renamed.AddSection().AddParagraph()
	paragraph_Renamed.AppendText("The sample demonstrates how to insert a watermark into a document.")
	paragraph_Renamed.ApplyStyle(BuiltinStyle.Heading2)


	Dim txtWatermark As New TextWatermark()
	txtWatermark.Text = "Watermark Demo"
	txtWatermark.FontSize = 90
	txtWatermark.Layout = WatermarkLayout.Diagonal
	document_Renamed.Watermark = txtWatermark

End Sub

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