Aspose.Editor is a .NET word processor UI control for ASP.NET and Windows forms applications. It supports document conversion formats like DOC, DOCX, DOCM, ODT, HTML, MHTML, WordML, RTF & TXT. Also allows thumbnails generation of pages as TIFF, PNG, JPEG, BMP or as EMF metafiles. Other features include paragraph & characters formatting, multiple columns per page and document modification using range, selection etc classes. You can also open, edit & save WordML documents using round tripping.