# Configuration files

The configuration files are searched first in %IDADIR%\cfg, then in %IDAUSR%\cfg.

See documentation about the [IDAUSR](/core/disassembler/concepts/environment-variables.md) environment variable.

In the configuration files, you can use C,C++ style comments and include files. If no file is found, IDA uses default values. IDA uses the following configuration files:

* IDA.CFG - general config file
* IDAGUI.CFG - graphics mode interface config file
* IDAPYTHON.CFG - configuration file for IDAPython

{% hint style="info" %}
The IDA text UI and its configuration file (`IDATUI.CFG`) were removed starting with IDA 9.2.
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.hex-rays.com/core/user-interface/concepts/configuration-files.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.