Note: I found this \"Creating a Word Doc in C#.NET\", but that is not what I want.
Do you know how to create a .odt to create file from C#
OpenOffice documents (odt) are ZIP files. You can unzip an existing one, modify the content.xml file by code and then use the ZipFile class from System.IO.Compression for example to get a zip file again. Open Office Specification