> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Functions

This section describes ABBYY FineReader Engine functions. These functions allow you to load and initialize FineReader Engine, and deinitialize and unload it:

* [InitializeEngine](/fine-reader/engine/api-reference/functions/initializeengine-function)
* [DeinitializeEngine](/fine-reader/engine/api-reference/functions/deinitializeengine-function)