server/resources/config/mimetypemapping.dist.json

{
	"_comment" : "Array mapping file extensions to mimetypes (in alphabetical order)",
	"_comment2": "The first index in the mime type array is the assumed correct mimetype",
	"_comment3": "and the second (if present) is a secure alternative",

	"_comment4": "Any changes you make here will be overwritten on an update of Nextcloud",
	"_comment5": "Put any custom mappings in a new file mimetypemapping.json in the config/ folder of Nextcloud",


	"3gp": ["video/3gpp"],
	"7z": ["application/x-7z-compressed"],
	"accdb": ["application/msaccess"],
	"ai": ["application/illustrator"],
	"apk": ["application/vnd.android.package-archive"],
	"arw": ["image/x-dcraw"],
	"avi": ["video/x-msvideo"],
	"bash": ["text/x-shellscript"],
	"bat": ["application/x-msdos-program"],
	"blend": ["application/x-blender"],
	"bin": ["application/x-bin"],
	"bmp": ["image/bmp"],
	"bpg": ["image/bpg"],
	"bz2": ["application/x-bzip2"],
	"cb7": ["application/comicbook+7z"],
	"cba": ["application/comicbook+ace"],
	"cbr": ["application/comicbook+rar"],
	"cbt": ["application/comicbook+tar"],
	"cbtc": ["application/comicbook+truecrypt"],
	"cbz": ["application/comicbook+zip"],
	"cc": ["text/x-c"],
	"cdr": ["application/coreldraw"],
	"class": ["application/java"],
	"cmd": ["application/cmd"],
	"cnf": ["text/plain"],
	"conf": ["text/plain"],
	"cpp": ["text/x-c++src"],
	"cr2": ["image/x-dcraw"],
	"css": ["text/css"],
	"csv": ["text/csv"],
	"cvbdl": ["application/x-cbr"],
	"c": ["text/x-c"],
	"c++": ["text/x-c++src"],
	"dcr": ["image/x-dcraw"],
	"deb": ["application/x-deb"],
	"dng": ["image/x-dcraw"],
	"doc": ["application/msword"],
	"docm": ["application/vnd.ms-word.document.macroEnabled.12"],
	"docx": ["application/vnd.openxmlformats-officedocument.wordprocessingml.document"],
	"dot": ["application/msword"],
	"dotx": ["application/vnd.openxmlformats-officedocument.wordprocessingml.template"],
	"dv": ["video/dv"],
	"eot": ["application/vnd.ms-fontobject"],
	"epub": ["application/epub+zip"],
	"eps": ["application/postscript"],
	"erf": ["image/x-dcraw"],
	"exe": ["application/x-ms-dos-executable"],
	"fb2": ["application/x-fictionbook+xml", "text/plain"],
	"flac": ["audio/flac"],
	"flv": ["video/x-flv"],
	"gif": ["image/gif"],
	"gpx": ["application/gpx+xml"],
	"gz": ["application/x-gzip"],
	"gzip": ["application/x-gzip"],
	"h": ["text/x-h"],
	"heic": ["image/heic"],
	"heif": ["image/heif"],
	"hh": ["text/x-h"],
	"hpp": ["text/x-h"],
	"htaccess": ["text/plain"],
	"html": ["text/html", "text/plain"],
	"htm": ["text/html", "text/plain"],
	"ical": ["text/calendar"],
	"ics": ["text/calendar"],
	"iiq": ["image/x-dcraw"],
	"impress": ["text/impress"],
	"java": ["text/x-java-source"],
	"jp2": ["image/jp2"],
	"jpeg": ["image/jpeg"],
	"jpg": ["image/jpeg"],
	"jps": ["image/jpeg"],
	"js": ["application/javascript", "text/plain"],
	"json": ["application/json", "text/plain"],
	"k25": ["image/x-dcraw"],
	"kdc": ["image/x-dcraw"],
	"key": ["application/x-iwork-keynote-sffkey"],
	"keynote": ["application/x-iwork-keynote-sffkey"],
	"kml": ["application/vnd.google-earth.kml+xml"],
	"kmz": ["application/vnd.google-earth.kmz"],
	"kra": ["application/x-krita"],
	"ldif": ["text/x-ldif"],
	"lwp": ["application/vnd.lotus-wordpro"],
	"m2t": ["video/mp2t"],
	"m3u": ["audio/mpegurl"],
	"m3u8": ["audio/mpegurl"],
	"m4a": ["audio/mp4"],
	"m4b": ["audio/m4b"],
	"m4v": ["video/mp4"],
	"markdown": ["text/markdown"],
	"mdown": ["text/markdown"],
	"md": ["text/markdown"],
	"mdb": ["application/msaccess"],
	"mdwn": ["text/markdown"],
	"mkd": ["text/markdown"],
	"mef": ["image/x-dcraw"],
	"mkv": ["video/x-matroska"],
	"mobi": ["application/x-mobipocket-ebook"],
	"mov": ["video/quicktime"],
	"mp3": ["audio/mpeg"],
	"mp4": ["video/mp4"],
	"mpeg": ["video/mpeg"],
	"mpg": ["video/mpeg"],
	"mpo": ["image/jpeg"],
	"msi": ["application/x-msi"],
	"mts": ["video/MP2T"],
	"mt2s": ["video/MP2T"],
	"nef": ["image/x-dcraw"],
	"numbers": ["application/x-iwork-numbers-sffnumbers"],
	"odf": ["application/vnd.oasis.opendocument.formula"],
	"odg": ["application/vnd.oasis.opendocument.graphics"],
	"odp": ["application/vnd.oasis.opendocument.presentation"],
	"ods": ["application/vnd.oasis.opendocument.spreadsheet"],
	"odt": ["application/vnd.oasis.opendocument.text"],
	"oga": ["audio/ogg"],
	"ogg": ["audio/ogg"],
	"ogv": ["video/ogg"],
	"one": ["application/msonenote"],
	"opus": ["audio/ogg"],
	"orf": ["image/x-dcraw"],
	"otf": ["application/font-sfnt"],
	"pages": ["application/x-iwork-pages-sffpages"],
	"pdf": ["application/pdf"],
	"pfb": ["application/x-font"],
	"pef": ["image/x-dcraw"],
	"php": ["application/x-php"],
	"pl": ["application/x-perl"],
	"pls": ["audio/x-scpls"],
	"png": ["image/png"],
	"pot": ["application/vnd.ms-powerpoint"],
	"potm": ["application/vnd.ms-powerpoint.template.macroEnabled.12"],
	"potx": ["application/vnd.openxmlformats-officedocument.presentationml.template"],
	"ppa": ["application/vnd.ms-powerpoint"],
	"ppam": ["application/vnd.ms-powerpoint.addin.macroEnabled.12"],
	"pps": ["application/vnd.ms-powerpoint"],
	"ppsm": ["application/vnd.ms-powerpoint.slideshow.macroEnabled.12"],
	"ppsx": ["application/vnd.openxmlformats-officedocument.presentationml.slideshow"],
	"ppt": ["application/vnd.ms-powerpoint"],
	"pptm": ["application/vnd.ms-powerpoint.presentation.macroEnabled.12"],
	"pptx": ["application/vnd.openxmlformats-officedocument.presentationml.presentation"],
	"ps": ["application/postscript"],
	"psd": ["application/x-photoshop"],
	"py": ["text/x-python"],
	"raf": ["image/x-dcraw"],
	"rar": ["application/x-rar-compressed"],
	"reveal": ["text/reveal"],
	"rss": ["application/rss+xml"],
	"rtf": ["text/rtf"],
	"rw2": ["image/x-dcraw"],
	"schema": ["text/plain"],
	"sgf": ["application/sgf"],
	"sh-lib": ["text/x-shellscript"],
	"sh": ["text/x-shellscript"],
	"srf": ["image/x-dcraw"],
	"sr2": ["image/x-dcraw"],
	"svg": ["image/svg+xml", "text/plain"],
	"swf": ["application/x-shockwave-flash", "application/octet-stream"],
	"tar": ["application/x-tar"],
	"tar.bz2": ["application/x-bzip2"],
	"tar.gz": ["application/x-compressed"],
	"tbz2": ["application/x-bzip2"],
	"tcx": ["application/vnd.garmin.tcx+xml"],
	"tex": ["application/x-tex"],
	"tgz": ["application/x-compressed"],
	"tiff": ["image/tiff"],
	"tif": ["image/tiff"],
	"ttf": ["application/font-sfnt"],
	"txt": ["text/plain"],
	"vcard": ["text/vcard"],
	"vcf": ["text/vcard"],
	"vob": ["video/dvd"],
	"vsd": ["application/vnd.visio"],
	"vsdm": ["application/vnd.ms-visio.drawing.macroEnabled.12"],
	"vsdx": ["application/vnd.ms-visio.drawing"],
	"vssm": ["application/vnd.ms-visio.stencil.macroEnabled.12"],
	"vssx": ["application/vnd.ms-visio.stencil"],
	"vstm": ["application/vnd.ms-visio.template.macroEnabled.12"],
	"vstx": ["application/vnd.ms-visio.template"],
	"wav": ["audio/wav"],
	"webm": ["video/webm"],
	"webp": ["image/webp"],
	"woff": ["application/font-woff"],
	"wpd": ["application/vnd.wordperfect"],
	"wmv": ["video/x-ms-wmv"],
	"xcf": ["application/x-gimp"],
	"xla": ["application/vnd.ms-excel"],
	"xlam": ["application/vnd.ms-excel.addin.macroEnabled.12"],
	"xls": ["application/vnd.ms-excel"],
	"xlsb": ["application/vnd.ms-excel.sheet.binary.macroEnabled.12"],
	"xlsm": ["application/vnd.ms-excel.sheet.macroEnabled.12"],
	"xlsx": ["application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"],
	"xlt": ["application/vnd.ms-excel"],
	"xltm": ["application/vnd.ms-excel.template.macroEnabled.12"],
	"xltx": ["application/vnd.openxmlformats-officedocument.spreadsheetml.template"],
	"xml": ["application/xml", "text/plain"],
	"xrf": ["image/x-dcraw"],
	"yaml": ["application/yaml", "text/plain"],
	"yml": ["application/yaml", "text/plain"],
	"zip": ["application/zip"],
	"url": ["application/internet-shortcut"],
	"webloc": ["application/internet-shortcut"]
}