Telerik Document Processing includes a set of cross-platform libraries that let you import and export content between different formats and work with archive files. The needed assemblies come with the installation (automated and manual) of several of the Telerik suites and in the internal builds archive where the latter is available. More information about the suites that include Telerik Document Processing and how to install them is available in the Installing on Your Computer article.
The libraries support .NET 4 and .NET 4.5.
Telerik.Windows.Documents.Core.dll: The main assembly from the Telerik document processing libraries. You always need it when you intend to use the library.
Telerik.Windows.Documents.Flow.dll: Part of the words (text) processing library. It is needed for processing HTML, DOCX, RTF and TXT documents.
Telerik.Windows.Zip.dll: Needed for working with zipped formats (DOCX, XLSX) and PDF.
Telerik.Windows.Documents.Flow.FormatProviders.Pdf: Allows exporting of flow documents (DOCX, RTF) to PDF.
Telerik.Windows.Documents.Spreadsheet.dll: The main assembly for the spreadsheet processing. It is needed for processing XLSX, CSV, TXT documents.
Telerik.Documents.SpreadsheetStreaming.dll: The main assembly for generating huge spreadsheet files using minimum resources.
Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.dll: This assembly is needed for processing XLSX documents.
Telerik.Windows.Documents.Fixed.dll: This assembly is needed for processing PDF documents.
Telerik.Windows.Documents.Spreadsheet.FormatProviders.Pdf.dll: This assembly is needed for processing PDF documents.
Telerik.Windows.Zip.dll: The assembly of the Telerik Zip Library. Needed for working with zipped formats (DOCX, XLSX) and PDF.
Telerik.Windows.Zip.Extensions.dll: Extends Telerik.Windows.Zip assembly with additional helper methods (Zip Extensions).
You can find more information on working with the Telerik Document Processing libraries in the following articles:
Words (text) processing
Fast spreadsheet generation
Working with ZIP files