# Additional Functionality

This section describes the non-core functionality that Opus provides - that is, functions that aren't directly related to everyday file management tasks, including:

* [Viewing images](additional_functionality/viewing_images) and [playing sound files](additional_functionality/playing_sounds)
* Simple [image conversion](additional_functionality/image_conversion) functions
* Printing and exporting [folder listings](additional_functionality/print_folder)
* Searching for [duplicate files](additional_functionality/duplicate_file_finder)
* [Splitting](additional_functionality/splitting_files) and [joining](additional_functionality/joining_files) files
* Creating [links, shortcuts and junctions](additional_functionality/making_links_and_junctions)
* Using [floating toolbars](additional_functionality/floating_toolbars) as a program launcher
* Configuring [system-wide hotkeys](additional_functionality/system-wide_hotkeys)
* Exporting Opus to [run from a USB drive](additional_functionality/exporting_to_usb)
* Integration with the indexing utility [Everything](additional_functionality/everything_integration)
* Viewing a [summary of file types](additional_functionality/filetype_summary) in a folder
