Supported file formats

Microsoft Office formats

• Word: DOCX, DOC, DOCM, DOT, DOTX, DOTM, RTF, WordprocessingML
• Excel: XLSX, XLS, XLSM, XLSB, XLTM, XLT, XLTM, XLTX, SpreadsheetML
• PowerPoint: PPT, PPTX, PPTM, PPS, PPSX, PPSM, POTM, POTX

Images & Other Formats

• Portable: PDF
• Images: SVG, TIFF
• Other office formats: ODT, OTT, OTS, ODS, ODP, OTP

Other formats

• Web: HTML, MHTML
• Emails: EML, MSG, EMLX
• Other: EPUB, MD

GroupDocs.Assembly Features
Create professional documents and reports with advanced data handling.

• Visual Data Elements - Add and format elements like charts, tables, images, and lists directly in your documents.
• Data Transformation - Use formulas, sorting, and other tools to organize and present your data effectively.
• Support for Multiple Formats - Easily work with common file types for both templates and output files.
• Enhanced Template Formatting - Customize templates with numeric, alphabetic, and other advanced formatting options.
• Dynamic Barcode Generation - Quickly create and insert barcode images into documents as needed.
• Flexible Text Styling - Apply text transformations like uppercase, lowercase, title case, or other styles in templates.
• Import External Content - Embed content from external files dynamically while generating documents.
• Export in Multiple Formats - Save final documents in various file formats using specified extensions or configurations.
• Dynamic Media Embedding - Insert images or other content using Base64-encoded data during document creation.