Wordpress: Allow/disallow uploading different type/mime files

functions.php

add_filter( 'upload_mimes', 'my_mime_types', 1, 1 );
     function my_mime_types( 		$mime_types ) {

		$mime_types['jpg|jpeg|jpe'] = 'image/jpeg';
		$mime_types['gif'] = 'image/gif';
		$mime_types['png'] = 'image/png';
		$mime_types['bmp'] = 'image/bmp';
		$mime_types['tiff|tif'] = 'image/tiff';
		$mime_types['ico'] = 'image/x-icon';
		$mime_types['asf|asx'] = 'video/x-ms-asf';
		$mime_types['wmv'] = 'video/x-ms-wmv';
		$mime_types['wmx'] = 'video/x-ms-wmx';
		$mime_types['wm'] = 'video/x-ms-wm';
		$mime_types['avi'] = 'video/avi';
		$mime_types['divx'] = 'video/divx';
		$mime_types['flv'] = 'video/x-flv';
		$mime_types['mov|qt'] = 'video/quicktime';
		$mime_types['mpeg|mpg|mpe'] = 'video/mpeg';
		$mime_types['mp4|m4v'] = 'video/mp4';
		$mime_types['ogv'] = 'video/ogg';
		$mime_types['webm'] = 'video/webm';
		$mime_types['mkv'] = 'video/x-matroska';
		$mime_types['3gp|3gpp'] = 'video/3gpp';
		$mime_types['3g2|3gp2'] = 'video/3gpp2';
		$mime_types['txt|asc|c|cc|h|srt'] = 'text/plain';
		$mime_types['csv'] = 'text/csv';
		$mime_types['tsv'] = 'text/tab-separated-values';
		$mime_types['ics'] = 'text/calendar';
		$mime_types['rtx'] = 'text/richtext';
		$mime_types['css'] = 'text/css';
		$mime_types['htm|html'] = 'text/html';
		$mime_types['vtt'] = 'text/vtt';
		$mime_types['dfxp'] = 'application/ttaf+xml';
		$mime_types['mp3|m4a|m4b'] = 'audio/mpeg';
		$mime_types['aac'] = 'audio/aac';
		$mime_types['ra|ram'] = 'audio/x-realaudio';
		$mime_types['wav'] = 'audio/wav';
		$mime_types['ogg|oga'] = 'audio/ogg';
		$mime_types['flac'] = 'audio/flac';
		$mime_types['mid|midi'] = 'audio/midi';
		$mime_types['wma'] = 'audio/x-ms-wma';
		$mime_types['wax'] = 'audio/x-ms-wax';
		$mime_types['mka'] = 'audio/x-matroska';
		$mime_types['rtf'] = 'application/rtf';
		$mime_types['js'] = 'application/javascript';
		$mime_types['pdf'] = 'application/pdf';
		$mime_types['class'] = 'application/java';
		$mime_types['tar'] = 'application/x-tar';
		$mime_types['zip'] = 'application/zip';
		$mime_types['gz|gzip'] = 'application/x-gzip';
		$mime_types['rar'] = 'application/rar';
		$mime_types['7z'] = 'application/x-7z-compressed';
		$mime_types['psd'] = 'application/octet-stream';
		$mime_types['xcf'] = 'application/octet-stream';
		$mime_types['doc'] = 'application/msword';
		$mime_types['pot|pps|ppt'] = 'application/vnd.ms-powerpoint';
		$mime_types['wri'] = 'application/vnd.ms-write';
		$mime_types['xla|xls|xlt|xlw'] = 'application/vnd.ms-excel';
		$mime_types['mdb'] = 'application/vnd.ms-access';
		$mime_types['mpp'] = 'application/vnd.ms-project';
		$mime_types['docx'] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
		$mime_types['docm'] = 'application/vnd.ms-word.document.macroEnabled.12';
		$mime_types['dotx'] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.template';
		$mime_types['dotm'] = 'application/vnd.ms-word.template.macroEnabled.12';
		$mime_types['xlsx'] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
		$mime_types['xlsm'] = 'application/vnd.ms-excel.sheet.macroEnabled.12';
		$mime_types['xlsb'] = 'application/vnd.ms-excel.sheet.binary.macroEnabled.12';
		$mime_types['xltx'] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.template';
		$mime_types['xltm'] = 'application/vnd.ms-excel.template.macroEnabled.12';
		$mime_types['xlam'] = 'application/vnd.ms-excel.addin.macroEnabled.12';
		$mime_types['pptx'] = 'application/vnd.openxmlformats-officedocument.presentationml.presentation';
		$mime_types['pptm'] = 'application/vnd.ms-powerpoint.presentation.macroEnabled.12';
		$mime_types['ppsx'] = 'application/vnd.openxmlformats-officedocument.presentationml.slideshow';
		$mime_types['ppsm'] = 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12';
		$mime_types['potx'] = 'application/vnd.openxmlformats-officedocument.presentationml.template';
		$mime_types['potm'] = 'application/vnd.ms-powerpoint.template.macroEnabled.12';
		$mime_types['ppam'] = 'application/vnd.ms-powerpoint.addin.macroEnabled.12';
		$mime_types['sldx'] = 'application/vnd.openxmlformats-officedocument.presentationml.slide';
		$mime_types['sldm'] = 'application/vnd.ms-powerpoint.slide.macroEnabled.12';
		$mime_types['onetoc|onetoc2|onetmp|onepkg'] = 'application/onenote';
		$mime_types['oxps'] = 'application/oxps';
		$mime_types['xps'] = 'application/vnd.ms-xpsdocument';
		$mime_types['odt'] = 'application/vnd.oasis.opendocument.text';
		$mime_types['odp'] = 'application/vnd.oasis.opendocument.presentation';
		$mime_types['ods'] = 'application/vnd.oasis.opendocument.spreadsheet';
		$mime_types['odg'] = 'application/vnd.oasis.opendocument.graphics';
		$mime_types['odc'] = 'application/vnd.oasis.opendocument.chart';
		$mime_types['odb'] = 'application/vnd.oasis.opendocument.database';
		$mime_types['odf'] = 'application/vnd.oasis.opendocument.formula';
		$mime_types['wp|wpd'] = 'application/wordperfect';
		$mime_types['key'] = 'application/vnd.apple.keynote';
		$mime_types['numbers'] = 'application/vnd.apple.numbers';
		$mime_types['pages'] = 'application/vnd.apple.pages';
		$mime_types['svg'] = 'image/svg+xml';
		$mime_types['ttf'] = 'application/font-ttf';
		$mime_types['woff'] = 'application/font-woff';
		$mime_types['eot'] = 'application/vnd.ms-fontobject';
		$mime_types['epub'] = 'application/epub+zip';
		$mime_types['woff2'] = 'application/font-woff2';

# Normally not allowed
		$mime_types['svg'] = 'image/svg+xml';
		$mime_types['epub'] = 'application/epub+zip';
 
# Mime-types can disallow too
#		unset( 		$mime_types['xls'] );
#		unset( 		$mime_types['xlsx'] );

return 	$mime_types;
}

Different mime types:

https://www.iana.org/assignments/media-types/media-types.xhtml