We are delighted To announce a powerful new feature in the monthly release of GroupDocs.Assembly for .NET 18.9. Using the latest version, you can now change the target file format of an assembled document using file extension or explicit specification. You can change the target file format when assembling Word Processing, Spreadsheet, Presentation, Email and Text file formats. We recommend you To install and use the latest version of the API....Processing, Spreadsheet, Presentation, Email and Text file formats...Spreadsheet documents Presentation documents Email documents Text documents...