About Object Metadata Content-Type
When an object is uploaded to OBS, the system automatically matches the value of Content-Type based on the file name extension of the object. When you access an object through a web browser, the system specifies an application to open the object according to the value of Content-Type. You can modify the Content-Type of an object based on its file name extension.
| 
       File Name Extension  | 
     
       Content-Type  | 
     
       File Name Extension  | 
     
       Content-Type  | 
    
|---|---|---|---|
| 
       .* (binary stream, unknown file type)  | 
     
       application/octet-stream  | 
     
       .tif  | 
     
       image/tiff  | 
    
| 
       .001  | 
     
       application/x-001  | 
     
       .301  | 
     
       application/x-301  | 
    
| 
       .323  | 
     
       text/h323  | 
     
       .906  | 
     
       application/x-906  | 
    
| 
       .907  | 
     
       drawing/907  | 
     
       .a11  | 
     
       application/x-a11  | 
    
| 
       .acp  | 
     
       audio/x-mei-aac  | 
     
       .ai  | 
     
       application/postscript  | 
    
| 
       .aif  | 
     
       audio/aiff  | 
     
       .aifc  | 
     
       audio/aiff  | 
    
| 
       .aiff  | 
     
       audio/aiff  | 
     
       .anv  | 
     
       application/x-anv  | 
    
| 
       .asa  | 
     
       text/asa  | 
     
       .asf  | 
     
       video/x-ms-asf  | 
    
| 
       .asp  | 
     
       text/asp  | 
     
       .asx  | 
     
       video/x-ms-asf  | 
    
| 
       .au  | 
     
       audio/basic  | 
     
       .avi  | 
     
       video/avi  | 
    
| 
       .awf  | 
     
       application/vnd.adobe.workflow  | 
     
       .biz  | 
     
       text/xml  | 
    
| 
       .bmp  | 
     
       application/x-bmp  | 
     
       .bot  | 
     
       application/x-bot  | 
    
| 
       .c4t  | 
     
       application/x-c4t  | 
     
       .c90  | 
     
       application/x-c90  | 
    
| 
       .cal  | 
     
       application/x-cals  | 
     
       .cat  | 
     
       application/vnd.ms-pki.seccat  | 
    
| 
       .cdf  | 
     
       application/x-netcdf  | 
     
       .cdr  | 
     
       application/x-cdr  | 
    
| 
       .cel  | 
     
       application/x-cel  | 
     
       .cer  | 
     
       application/x-x509-ca-cert  | 
    
| 
       .cg4  | 
     
       application/x-g4  | 
     
       .cgm  | 
     
       application/x-cgm  | 
    
| 
       .cit  | 
     
       application/x-cit  | 
     
       .class  | 
     
       java/*  | 
    
| 
       .cml  | 
     
       text/xml  | 
     
       .cmp  | 
     
       application/x-cmp  | 
    
| 
       .cmx  | 
     
       application/x-cmx  | 
     
       .cot  | 
     
       application/x-cot  | 
    
| 
       .crl  | 
     
       application/pkix-crl  | 
     
       .crt  | 
     
       application/x-x509-ca-cert  | 
    
| 
       .csi  | 
     
       application/x-csi  | 
     
       .css  | 
     
       text/css  | 
    
| 
       .cut  | 
     
       application/x-cut  | 
     
       .dbf  | 
     
       application/x-dbf  | 
    
| 
       .dbm  | 
     
       application/x-dbm  | 
     
       .dbx  | 
     
       application/x-dbx  | 
    
| 
       .dcd  | 
     
       text/xml  | 
     
       .dcx  | 
     
       application/x-dcx  | 
    
| 
       .der  | 
     
       application/x-x509-ca-cert  | 
     
       .dgn  | 
     
       application/x-dgn  | 
    
| 
       .dib  | 
     
       application/x-dib  | 
     
       .dll  | 
     
       application/x-msdownload  | 
    
| 
       .doc  | 
     
       application/msword  | 
     
       .dot  | 
     
       application/msword  | 
    
| 
       .drw  | 
     
       application/x-drw  | 
     
       .dtd  | 
     
       text/xml  | 
    
| 
       .dwf  | 
     
       Model/vnd.dwf  | 
     
       .dwf  | 
     
       application/x-dwf  | 
    
| 
       .dwg  | 
     
       application/x-dwg  | 
     
       .dxb  | 
     
       application/x-dxb  | 
    
| 
       .dxf  | 
     
       application/x-dxf  | 
     
       .edn  | 
     
       application/vnd.adobe.edn  | 
    
| 
       .emf  | 
     
       application/x-emf  | 
     
       .eml  | 
     
       message/rfc822  | 
    
| 
       .ent  | 
     
       text/xml  | 
     
       .epi  | 
     
       application/x-epi  | 
    
| 
       .eps  | 
     
       application/x-ps  | 
     
       .eps  | 
     
       application/postscript  | 
    
| 
       .etd  | 
     
       application/x-ebx  | 
     
       .exe  | 
     
       application/x-msdownload  | 
    
| 
       .fax  | 
     
       image/fax  | 
     
       .fdf  | 
     
       application/vnd.fdf  | 
    
| 
       .fif  | 
     
       application/fractals  | 
     
       .fo  | 
     
       text/xml  | 
    
| 
       .frm  | 
     
       application/x-frm  | 
     
       .g4  | 
     
       application/x-g4  | 
    
| 
       .gbr  | 
     
       application/x-gbr  | 
     
       .  | 
     
       application/x-  | 
    
| 
       .gif  | 
     
       image/gif  | 
     
       .gl2  | 
     
       application/x-gl2  | 
    
| 
       .gp4  | 
     
       application/x-gp4  | 
     
       .hgl  | 
     
       application/x-hgl  | 
    
| 
       .hmr  | 
     
       application/x-hmr  | 
     
       .hpg  | 
     
       application/x-hpgl  | 
    
| 
       .hpl  | 
     
       application/x-hpl  | 
     
       .hqx  | 
     
       application/mac-binhex40  | 
    
| 
       .hrf  | 
     
       application/x-hrf  | 
     
       .hta  | 
     
       application/hta  | 
    
| 
       .htc  | 
     
       text/x-component  | 
     
       .htm  | 
     
       text/html  | 
    
| 
       .html  | 
     
       text/html  | 
     
       .htt  | 
     
       text/webviewhtml  | 
    
| 
       .htx  | 
     
       text/html  | 
     
       .icb  | 
     
       application/x-icb  | 
    
| 
       .ico  | 
     
       image/x-icon  | 
     
       .ico  | 
     
       application/x-ico  | 
    
| 
       .iff  | 
     
       application/x-iff  | 
     
       .ig4  | 
     
       application/x-g4  | 
    
| 
       .igs  | 
     
       application/x-igs  | 
     
       .iii  | 
     
       application/x-iphone  | 
    
| 
       .img  | 
     
       application/x-img  | 
     
       .ins  | 
     
       application/x-internet-signup  | 
    
| 
       .isp  | 
     
       application/x-internet-signup  | 
     
       .IVF  | 
     
       video/x-ivf  | 
    
| 
       .java  | 
     
       java/*  | 
     
       .jfif  | 
     
       image/jpeg  | 
    
| 
       .jpe  | 
     
       image/jpeg  | 
     
       .jpe  | 
     
       application/x-jpe  | 
    
| 
       .jpeg  | 
     
       image/jpeg  | 
     
       .jpg  | 
     
       image/jpeg  | 
    
| 
       .jpg  | 
     
       application/x-jpg  | 
     
       .js  | 
     
       application/x-javascript  | 
    
| 
       .jsp  | 
     
       text/html  | 
     
       .la1  | 
     
       audio/x-liquid-file  | 
    
| 
       .lar  | 
     
       application/x-laplayer-reg  | 
     
       .latex  | 
     
       application/x-latex  | 
    
| 
       .lavs  | 
     
       audio/x-liquid-secure  | 
     
       .lbm  | 
     
       application/x-lbm  | 
    
| 
       .lmsff  | 
     
       audio/x-la-lms  | 
     
       .ls  | 
     
       application/x-javascript  | 
    
| 
       .ltr  | 
     
       application/x-ltr  | 
     
       .m1v  | 
     
       video/x-mpeg  | 
    
| 
       .m2v  | 
     
       video/x-mpeg  | 
     
       .m3u  | 
     
       audio/mpegurl  | 
    
| 
       .m4e  | 
     
       video/mpeg4  | 
     
       .mac  | 
     
       application/x-mac  | 
    
| 
       .man  | 
     
       application/x-troff-man  | 
     
       .math  | 
     
       text/xml  | 
    
| 
       .mdb  | 
     
       application/msaccess  | 
     
       .mdb  | 
     
       application/x-mdb  | 
    
| 
       .mfp  | 
     
       application/x-shockwave-flash  | 
     
       .mht  | 
     
       message/rfc822  | 
    
| 
       .mhtml  | 
     
       message/rfc822  | 
     
       .mi  | 
     
       application/x-mi  | 
    
| 
       .mid  | 
     
       audio/mid  | 
     
       .midi  | 
     
       audio/mid  | 
    
| 
       .mil  | 
     
       application/x-mil  | 
     
       .mml  | 
     
       text/xml  | 
    
| 
       .mnd  | 
     
       audio/x-musicnet-download  | 
     
       .mns  | 
     
       audio/x-musicnet-stream  | 
    
| 
       .mocha  | 
     
       application/x-javascript  | 
     
       .movie  | 
     
       video/x-sgi-movie  | 
    
| 
       .mp1  | 
     
       audio/mp1  | 
     
       .mp2  | 
     
       audio/mp2  | 
    
| 
       .mp2v  | 
     
       video/mpeg  | 
     
       .mp3  | 
     
       audio/mp3  | 
    
| 
       .mp4  | 
     
       video/mp4  | 
     
       .mpa  | 
     
       video/x-mpg  | 
    
| 
       .mpd  | 
     
       application/vnd.ms-project  | 
     
       .mpe  | 
     
       video/x-mpeg  | 
    
| 
       .mpeg  | 
     
       video/mpg  | 
     
       .mpg  | 
     
       video/mpg  | 
    
| 
       .mpga  | 
     
       audio/rn-mpeg  | 
     
       .mpp  | 
     
       application/vnd.ms-project  | 
    
| 
       .mps  | 
     
       video/x-mpeg  | 
     
       .mpt  | 
     
       application/vnd.ms-project  | 
    
| 
       .mpv  | 
     
       video/mpg  | 
     
       .mpv2  | 
     
       video/mpeg  | 
    
| 
       .mpw  | 
     
       application/vnd.ms-project  | 
     
       .mpx  | 
     
       application/vnd.ms-project  | 
    
| 
       .mtx  | 
     
       text/xml  | 
     
       .mxp  | 
     
       application/x-mmxp  | 
    
| 
       .net  | 
     
       image/pnetvue  | 
     
       .nrf  | 
     
       application/x-nrf  | 
    
| 
       .nws  | 
     
       message/rfc822  | 
     
       .odc  | 
     
       text/x-ms-odc  | 
    
| 
       .out  | 
     
       application/x-out  | 
     
       .p10  | 
     
       application/pkcs10  | 
    
| 
       .p12  | 
     
       application/x-pkcs12  | 
     
       .p7b  | 
     
       application/x-pkcs7-certificates  | 
    
| 
       .p7c  | 
     
       application/pkcs7-mime  | 
     
       .p7m  | 
     
       application/pkcs7-mime  | 
    
| 
       .p7r  | 
     
       application/x-pkcs7-certreqresp  | 
     
       .p7s  | 
     
       application/pkcs7-signature  | 
    
| 
       .pc5  | 
     
       application/x-pc5  | 
     
       .pci  | 
     
       application/x-pci  | 
    
| 
       .pcl  | 
     
       application/x-pcl  | 
     
       .pcx  | 
     
       application/x-pcx  | 
    
| 
       | 
     
       application/pdf  | 
     
       | 
     
       application/pdf  | 
    
| 
       .pdx  | 
     
       application/vnd.adobe.pdx  | 
     
       .pfx  | 
     
       application/x-pkcs12  | 
    
| 
       .pgl  | 
     
       application/x-pgl  | 
     
       .pic  | 
     
       application/x-pic  | 
    
| 
       .pko  | 
     
       application/vnd.ms-pki.pko  | 
     
       .pl  | 
     
       application/x-perl  | 
    
| 
       .plg  | 
     
       text/html  | 
     
       .pls  | 
     
       audio/scpls  | 
    
| 
       .plt  | 
     
       application/x-plt  | 
     
       .png  | 
     
       image/png  | 
    
| 
       .png  | 
     
       application/x-png  | 
     
       .pot  | 
     
       application/vnd.ms-powerpoint  | 
    
| 
       .ppa  | 
     
       application/vnd.ms-powerpoint  | 
     
       .ppm  | 
     
       application/x-ppm  | 
    
| 
       .pps  | 
     
       application/vnd.ms-powerpoint  | 
     
       .ppt  | 
     
       application/vnd.ms-powerpoint  | 
    
| 
       .ppt  | 
     
       application/x-ppt  | 
     
       .pr  | 
     
       application/x-pr  | 
    
| 
       .prf  | 
     
       application/pics-rules  | 
     
       .prn  | 
     
       application/x-prn  | 
    
| 
       .prt  | 
     
       application/x-prt  | 
     
       .ps  | 
     
       application/x-ps  | 
    
| 
       .ps  | 
     
       application/postscript  | 
     
       .ptn  | 
     
       application/x-ptn  | 
    
| 
       .pwz  | 
     
       application/vnd.ms-powerpoint  | 
     
       .r3t  | 
     
       text/vnd.rn-realtext3d  | 
    
| 
       .ra  | 
     
       audio/vnd.rn-realaudio  | 
     
       .ram  | 
     
       audio/x-pn-realaudio  | 
    
| 
       .ras  | 
     
       application/x-ras  | 
     
       .rat  | 
     
       application/rat-file  | 
    
| 
       .rdf  | 
     
       text/xml  | 
     
       .rec  | 
     
       application/vnd.rn-recording  | 
    
| 
       .red  | 
     
       application/x-red  | 
     
       .rgb  | 
     
       application/x-rgb  | 
    
| 
       .rjs  | 
     
       application/vnd.rn-realsystem-rjs  | 
     
       .rjt  | 
     
       application/vnd.rn-realsystem-rjt  | 
    
| 
       .rlc  | 
     
       application/x-rlc  | 
     
       .rle  | 
     
       application/x-rle  | 
    
| 
       .rm  | 
     
       application/vnd.rn-realmedia  | 
     
       .rmf  | 
     
       application/vnd.adobe.rmf  | 
    
| 
       .rmi  | 
     
       audio/mid  | 
     
       .rmj  | 
     
       application/vnd.rn-realsystem-rmj  | 
    
| 
       .rmm  | 
     
       audio/x-pn-realaudio  | 
     
       .rmp  | 
     
       application/vnd.rn-rn_music_package  | 
    
| 
       .rms  | 
     
       application/vnd.rn-realmedia-secure  | 
     
       .rmvb  | 
     
       application/vnd.rn-realmedia-vbr  | 
    
| 
       .rmx  | 
     
       application/vnd.rn-realsystem-rmx  | 
     
       .rnx  | 
     
       application/vnd.rn-realplayer  | 
    
| 
       .rp  | 
     
       image/vnd.rn-realpix  | 
     
       .rpm  | 
     
       audio/x-pn-realaudio-plugin  | 
    
| 
       .rsml  | 
     
       application/vnd.rn-rsml  | 
     
       .rt  | 
     
       text/vnd.rn-realtext  | 
    
| 
       .rtf  | 
     
       application/msword  | 
     
       .rtf  | 
     
       application/x-rtf  | 
    
| 
       .rv  | 
     
       video/vnd.rn-realvideo  | 
     
       .sam  | 
     
       application/x-sam  | 
    
| 
       .sat  | 
     
       application/x-sat  | 
     
       .sdp  | 
     
       application/sdp  | 
    
| 
       .sdw  | 
     
       application/x-sdw  | 
     
       .sit  | 
     
       application/x-stuffit  | 
    
| 
       .slb  | 
     
       application/x-slb  | 
     
       .sld  | 
     
       application/x-sld  | 
    
| 
       .slk  | 
     
       drawing/x-slk  | 
     
       .smi  | 
     
       application/smil  | 
    
| 
       .smil  | 
     
       application/smil  | 
     
       .smk  | 
     
       application/x-smk  | 
    
| 
       .snd  | 
     
       audio/basic  | 
     
       .sol  | 
     
       text/plain  | 
    
| 
       .sor  | 
     
       text/plain  | 
     
       .spc  | 
     
       application/x-pkcs7-certificates  | 
    
| 
       .spl  | 
     
       application/futuresplash  | 
     
       .spp  | 
     
       text/xml  | 
    
| 
       .ssm  | 
     
       application/streamingmedia  | 
     
       .sst  | 
     
       application/vnd.ms-pki.certstore  | 
    
| 
       .stl  | 
     
       application/vnd.ms-pki.stl  | 
     
       .stm  | 
     
       text/html  | 
    
| 
       .sty  | 
     
       application/x-sty  | 
     
       .svg  | 
     
       text/xml  | 
    
| 
       .swf  | 
     
       application/x-shockwave-flash  | 
     
       .tdf  | 
     
       application/x-tdf  | 
    
| 
       .tg4  | 
     
       application/x-tg4  | 
     
       .tga  | 
     
       application/x-tga  | 
    
| 
       .tif  | 
     
       image/tiff  | 
     
       .tif  | 
     
       application/x-tif  | 
    
| 
       .tiff  | 
     
       image/tiff  | 
     
       .tld  | 
     
       text/xml  | 
    
| 
       .top  | 
     
       drawing/x-top  | 
     
       .torrent  | 
     
       application/x-bittorrent  | 
    
| 
       .tsd  | 
     
       text/xml  | 
     
       .txt  | 
     
       text/plain  | 
    
| 
       .uin  | 
     
       application/x-icq  | 
     
       .uls  | 
     
       text/iuls  | 
    
| 
       .vcf  | 
     
       text/x-vcard  | 
     
       .vda  | 
     
       application/x-vda  | 
    
| 
       .vdx  | 
     
       application/vnd.visio  | 
     
       .vml  | 
     
       text/xml  | 
    
| 
       .vpg  | 
     
       application/x-vpeg005  | 
     
       .vsd  | 
     
       application/vnd.visio  | 
    
| 
       .vsd  | 
     
       application/x-vsd  | 
     
       .vss  | 
     
       application/vnd.visio  | 
    
| 
       .vst  | 
     
       application/vnd.visio  | 
     
       .vst  | 
     
       application/x-vst  | 
    
| 
       .vsw  | 
     
       application/vnd.visio  | 
     
       .vsx  | 
     
       application/vnd.visio  | 
    
| 
       .vtx  | 
     
       application/vnd.visio  | 
     
       .vxml  | 
     
       text/xml  | 
    
| 
       .wav  | 
     
       audio/wav  | 
     
       .wax  | 
     
       audio/x-ms-wax  | 
    
| 
       .wb1  | 
     
       application/x-wb1  | 
     
       .wb2  | 
     
       application/x-wb2  | 
    
| 
       .wb3  | 
     
       application/x-wb3  | 
     
       .wbmp  | 
     
       image/vnd.wap.wbmp  | 
    
| 
       .wiz  | 
     
       application/msword  | 
     
       .wk3  | 
     
       application/x-wk3  | 
    
| 
       .wk4  | 
     
       application/x-wk4  | 
     
       .wkq  | 
     
       application/x-wkq  | 
    
| 
       .wks  | 
     
       application/x-wks  | 
     
       .wm  | 
     
       video/x-ms-wm  | 
    
| 
       .wma  | 
     
       audio/x-ms-wma  | 
     
       .wmd  | 
     
       application/x-ms-wmd  | 
    
| 
       .wmf  | 
     
       application/x-wmf  | 
     
       .wml  | 
     
       text/vnd.wap.wml  | 
    
| 
       .wmv  | 
     
       video/x-ms-wmv  | 
     
       .wmx  | 
     
       video/x-ms-wmx  | 
    
| 
       .wmz  | 
     
       application/x-ms-wmz  | 
     
       .wp6  | 
     
       application/x-wp6  | 
    
| 
       .wpd  | 
     
       application/x-wpd  | 
     
       .wpg  | 
     
       application/x-wpg  | 
    
| 
       .wpl  | 
     
       application/vnd.ms-wpl  | 
     
       .wq1  | 
     
       application/x-wq1  | 
    
| 
       .wr1  | 
     
       application/x-wr1  | 
     
       .wri  | 
     
       application/x-wri  | 
    
| 
       .wrk  | 
     
       application/x-wrk  | 
     
       .ws  | 
     
       application/x-ws  | 
    
| 
       .ws2  | 
     
       application/x-ws  | 
     
       .wsc  | 
     
       text/scriptlet  | 
    
| 
       .wsdl  | 
     
       text/xml  | 
     
       .wvx  | 
     
       video/x-ms-wvx  | 
    
| 
       .xdp  | 
     
       application/vnd.adobe.xdp  | 
     
       .xdr  | 
     
       text/xml  | 
    
| 
       .xfd  | 
     
       application/vnd.adobe.xfd  | 
     
       .xfdf  | 
     
       application/vnd.adobe.xfdf  | 
    
| 
       .xhtml  | 
     
       text/html  | 
     
       .xls  | 
     
       application/vnd.ms-excel  | 
    
| 
       .xls  | 
     
       application/x-xls  | 
     
       .xlw  | 
     
       application/x-xlw  | 
    
| 
       .xml  | 
     
       text/xml  | 
     
       .xpl  | 
     
       audio/scpls  | 
    
| 
       .xq  | 
     
       text/xml  | 
     
       .xql  | 
     
       text/xml  | 
    
| 
       .xquery  | 
     
       text/xml  | 
     
       .xsd  | 
     
       text/xml  | 
    
| 
       .xsl  | 
     
       text/xml  | 
     
       .xslt  | 
     
       text/xml  | 
    
| 
       .xwd  | 
     
       application/x-xwd  | 
     
       .x_b  | 
     
       application/x-x_b  | 
    
| 
       .sis  | 
     
       application/vnd.symbian.install  | 
     
       .sisx  | 
     
       application/vnd.symbian.install  | 
    
| 
       .x_t  | 
     
       application/x-x_t  | 
     
       .ipa  | 
     
       application/vnd.iphone  | 
    
| 
       .apk  | 
     
       application/vnd.android.package-archive  | 
     
       .xap  | 
     
       application/x-silverlight-app  | 
    
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