File Content Extraction 25.4
Filter SDK .NET Programming Guide

# Use the Legacy Out-of-Process Method

By default, when you run File Content Extraction out-of-process, the parent process uses shared memory to communicate with the out-of-process server, which is faster than the legacy out-of-process method. OpenText recommends that you use this default method.

To choose the out-of-process mechanism, use the `oop_method` parameter in the `[FilterSDK_Config]` section of the `formats.ini` configuration file. Set `oop_method` to `legacy` to use the legacy method.

The following sections describe how to configure pipe-streaming, and session logging, which are available only for the legacy out-of-process method.

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: Use the Legacy Out-of-Process Method