# Advanced Features

* [Converters and Options](../converters.md)
* [Debugging](../debugging.md)
* [Extensions](../extensions.md)
* [Custom Add-ins](../customaddin.md)
* [Threading and Multiprocessing](../threading_and_multiprocessing.md)
* [Missing Features](../missing_features.md)
* [xlwings with other Office Apps](../other_office_apps.md)