• ABBYY SDKs have a broad range of features that are may differ in different technology cycles and operating systems.
• The article below give a short description about the implementation in the ABBYY SDKs and what parameters are available. Details can be found in the documentation.
• Next to features the is a set of articles describing some technologies inside the recognition SDKs.
  They are most of the time applied automatically when documents are processed.

• Supported Image Formats
• Images from memory
• Scanning via TWAIN

A more general description of the different steps can be found here: Processing Steps Overview
The following topics give a brief overview on the different features:

• Supported Font & Text Types

• Old Font/ Fraktur/ Gothic Recognition

• Supported Checkmark Types

• Supported Barcode Types

• Multi Core Support

• Document Analysis

• Dictionary Support for OCR

• OCR Recognition Languages

• OCR Recognition Modes

• On-The-Fly Recognition Tuning

• Recognizing Checkmarks

• Voting-API

• Processing Profiles for different scenarios

• OCR Processing - Speed and Scalability

• Visual Components for FineReader Engine 9.0/10
  available as ActiveX Components - new 07/2011!

• Visual Components for FlexiCapture Engine 9.0
  available as C# Source - new 07/2011!

• Text Export
• HTML
• Office Export
  • DOC/DOCX
  • XLS/XLSX
  • ODT

• Standard PDF Export
• Highly Compressed (MRC) PDFs
• PDF/A Support
• XMP Metadata Export - released in FineReader Engine 10 R2

• ABBYY XML
• EPUB - released in FineReader Engine 10 R2
• ALTO - released in FineReader Engine 10 R2
• FB2 - released in FineReader Engine 10 R2

* still in development, planed for a future maintenance release of FineReader Engine 10

See also:

• Inside OCR - general topics
• Features & Core Technology Overview