File Content Extraction 25.4
Filter SDK C Programming Guide

# File Extraction API Functions

This section describes the functions in the File Extraction API. The File Extraction functions open a container file, and extract the container’s subfiles so that the subfiles are exposed and available for filtering. Subfiles can be files within a Zip archive, messages in a mail store, attachments in a mail message, or OLE objects embedded in a compound document.

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: File Extraction API Functions