This article explains how to detect document file type and calculate pages count when merge PDF, Word(DOC, DOCX), Excel(XLS, XLSX), PowerPoint(PPT, PPTX) files with GroupDocs.Merger....Editor Product Solution GroupDocs...
Note This feature is supported by version 18.9. or greater Note The code uses some of the objects defined in The Business Layer. Changing Target File Format GroupDocs.Assembly provides a powerful feature to change the target file format of an assembled document using file extension or explicit specifying. GroupDocs.Assembly API provides the ability to change target file format when assembling the following file formats:
Word Processing documents Spreadsheet documents Presentation documents Email documents Text documents Supported output file formats depending on input file formats can be found at this page....Editor Product Solution GroupDocs...