Word component allows reading and writing word document with Microsoft Word Open XML format (*.docx) extension. You can use the Load method to read a document and Save method to write a document as illustrated in the following code:

' load Word/RTF document
Dim C1Word As New C1WordDocument()
C1Word.Load(dlg.FileName)

' save Word (docx) document
C1Word.Save("sample.docx")

// load Word/RTF document
C1WordDocument C1Word = new C1WordDocument();
C1Word.Load(dlg.FileName);
 
// save Word (docx) document
C1Word.Save("sample.docx");