This manual contains a list of MIME types, supported by the Retarus Email Security Attachment Blocker. Additional information about this feature is available as part of Attachment Blocker Manual.
Supported MIME types
As of August 2026 following MIME types are at least supported
|
application/applefile |
|
application/x-plist |
|
application/x-bplist-itunes |
|
application/x-bplist |
|
application/x-bplist-memgraph |
|
application/x-bplist-webarchive |
|
application/java-vm |
|
audio/vnd.wave |
|
audio/x-wav |
|
audio/basic |
|
audio/x-aiff |
|
application/x-midi |
|
audio/midi |
|
text/x-c++src |
|
text/x-groovy |
|
text/x-java-source |
|
application/pkcs7-signature |
|
application/pkcs7-mime |
|
application/timestamped-data |
|
text/csv |
|
text/tsv |
|
text/plain |
|
application/x-dbf |
|
image/vnd.dgn; version=8 |
|
application/dif+xml |
|
image/vnd.dwg |
|
application/x-ibooks+zip |
|
application/epub+zip |
|
application/x-mach-o-executable |
|
application/x-msdownload |
|
application/x-sharedlib |
|
application/x-elf |
|
application/x-object |
|
application/x-mach-o-core |
|
application/x-mach-o-dylib |
|
application/x-mach-o-dylib-stub |
|
application/x-mach-o-object |
|
application/x-mach-o |
|
application/x-mach-o-bundle |
|
application/x-mach-o-fvmlib |
|
application/x-mach-o-preload |
|
application/x-mach-o-dsym |
|
application/x-executable |
|
application/x-mach-o-kext-bundle |
|
application/x-coredump |
|
application/x-mach-o-dylinker |
|
application/x-mach-o-universal |
|
video/avi |
|
video/mpeg |
|
video/x-msvideo |
|
application/atom+xml |
|
application/rss+xml |
|
application/x-font-adobe-metric |
|
application/x-font-ttf |
|
text/html |
|
application/vnd.wap.xhtml+xml |
|
application/x-asp |
|
application/xhtml+xml |
|
application/x-httpresponse |
|
application/x-hwp-v5 |
|
image/bpg |
|
image/x-bpg |
|
image/heic-sequence |
|
image/heif |
|
image/heic |
|
image/heif-sequence |
|
image/icns |
|
image/png |
|
image/vnd.wap.wbmp |
|
image/x-jbig2 |
|
image/bmp |
|
image/x-xcf |
|
image/gif |
|
image/x-icon |
|
image/x-ms-bmp |
|
image/jxl |
|
image/jpeg |
|
image/vnd.adobe.photoshop |
|
image/tiff |
|
image/webp |
|
application/vnd.adobe.indesign-idml-package |
|
text/vnd.iptc.anpa |
|
application/vnd.apple.keynote |
|
application/vnd.apple.iwork |
|
application/vnd.apple.numbers |
|
application/vnd.apple.pages |
|
application/vnd.apple.numbers.13 |
|
application/vnd.apple.unknown.13 |
|
application/vnd.apple.pages.13 |
|
application/vnd.apple.keynote.13 |
|
application/vnd.apple.pages.18 |
|
application/vnd.apple.keynote.18 |
|
application/vnd.apple.numbers.18 |
|
message/rfc822 |
|
application/x-matlab-data |
|
application/mbox |
|
image/emf |
|
application/x-msaccess |
|
application/x-ms-owner |
|
application/x-tika-msoffice-embedded; format=ole10_native |
|
application/msword |
|
application/vnd.visio |
|
application/x-tika-ole-drm-encrypted |
|
application/vnd.ms-project |
|
application/x-tika-msworks-spreadsheet |
|
application/x-mspublisher |
|
application/vnd.ms-powerpoint |
|
application/x-tika-msoffice |
|
application/sldworks |
|
application/x-tika-ooxml-protected |
|
application/vnd.ms-excel |
|
application/vnd.ms-outlook |
|
application/vnd.ms-excel.workspace.3 |
|
application/vnd.ms-excel.workspace.4 |
|
application/vnd.ms-excel.sheet.2 |
|
application/vnd.ms-excel.sheet.3 |
|
application/vnd.ms-excel.sheet.4 |
|
application/vnd.ms-tnef |
|
application/x-tnef |
|
application/ms-tnef |
|
image/wmf |
|
application/x-activemime |
|
application/vnd.ms-htmlhelp |
|
application/x-chm |
|
application/chm |
|
application/onenote; format=one |
|
application/vnd.ms-powerpoint.template.macroenabled.12 |
|
application/vnd.ms-excel.addin.macroenabled.12 |
|
application/vnd.openxmlformats-officedocument.wordprocessingml.template |
|
application/vnd.ms-excel.sheet.binary.macroenabled.12 |
|
application/vnd.openxmlformats-officedocument.wordprocessingml.document |
|
application/vnd.ms-powerpoint.slide.macroenabled.12 |
|
application/vnd.ms-visio.drawing |
|
application/vnd.ms-powerpoint.slideshow.macroenabled.12 |
|
application/vnd.ms-powerpoint.presentation.macroenabled.12 |
|
application/vnd.openxmlformats-officedocument.presentationml.slide |
|
application/vnd.ms-excel.sheet.macroenabled.12 |
|
application/vnd.ms-word.template.macroenabled.12 |
|
application/vnd.ms-word.document.macroenabled.12 |
|
application/vnd.ms-powerpoint.addin.macroenabled.12 |
|
application/vnd.openxmlformats-officedocument.spreadsheetml.template |
|
application/vnd.ms-xpsdocument |
|
application/vnd.ms-visio.drawing.macroenabled.12 |
|
application/vnd.ms-visio.template.macroenabled.12 |
|
model/vnd.dwfx+xps |
|
application/vnd.openxmlformats-officedocument.presentationml.template |
|
application/vnd.openxmlformats-officedocument.presentationml.presentation |
|
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
|
application/vnd.ms-visio.stencil |
|
application/vnd.ms-visio.template |
|
application/vnd.openxmlformats-officedocument.presentationml.slideshow |
|
application/vnd.ms-visio.stencil.macroenabled.12 |
|
application/vnd.ms-excel.template.macroenabled.12 |
|
application/vnd.ms-word2006ml |
|
application/vnd.ms-outlook-pst |
|
application/x-tika-pst-mail-item |
|
application/rtf |
|
application/vnd.ms-spreadsheetml |
|
application/vnd.ms-wordml |
|
application/x-mif |
|
application/vnd.mif |
|
application/x-maker |
|
audio/mpeg |
|
video/x-m4v |
|
application/mp4 |
|
video/3gpp |
|
video/3gpp2 |
|
video/quicktime |
|
audio/mp4 |
|
video/mp4 |
|
application/vnd.oasis.opendocument.tika.flat.document |
|
application/vnd.oasis.opendocument.flat.presentation |
|
application/vnd.oasis.opendocument.flat.spreadsheet |
|
application/vnd.oasis.opendocument.flat.text |
|
application/x-vnd.oasis.opendocument.presentation |
|
application/vnd.oasis.opendocument.chart |
|
application/x-vnd.oasis.opendocument.text-web |
|
application/x-vnd.oasis.opendocument.image |
|
application/vnd.oasis.opendocument.graphics-template |
|
application/vnd.oasis.opendocument.text-web |
|
application/x-vnd.oasis.opendocument.spreadsheet-template |
|
application/vnd.oasis.opendocument.spreadsheet-template |
|
application/vnd.sun.xml.writer |
|
application/x-vnd.oasis.opendocument.graphics-template |
|
application/vnd.oasis.opendocument.graphics |
|
application/vnd.oasis.opendocument.spreadsheet |
|
application/x-vnd.oasis.opendocument.chart |
|
application/x-vnd.oasis.opendocument.spreadsheet |
|
application/vnd.oasis.opendocument.image |
|
application/x-vnd.oasis.opendocument.text |
|
application/x-vnd.oasis.opendocument.text-template |
|
application/vnd.oasis.opendocument.formula-template |
|
application/x-vnd.oasis.opendocument.formula |
|
application/vnd.oasis.opendocument.image-template |
|
application/x-vnd.oasis.opendocument.image-template |
|
application/x-vnd.oasis.opendocument.presentation-template |
|
application/vnd.oasis.opendocument.presentation-template |
|
application/vnd.oasis.opendocument.text |
|
application/vnd.oasis.opendocument.text-template |
|
application/vnd.oasis.opendocument.chart-template |
|
application/x-vnd.oasis.opendocument.chart-template |
|
application/x-vnd.oasis.opendocument.formula-template |
|
application/x-vnd.oasis.opendocument.text-master |
|
application/vnd.oasis.opendocument.presentation |
|
application/x-vnd.oasis.opendocument.graphics |
|
application/vnd.oasis.opendocument.formula |
|
application/vnd.oasis.opendocument.text-master |
|
application/pdf |
|
application/zlib |
|
application/x-gzip |
|
application/x-bzip2 |
|
application/x-compress |
|
application/x-java-pack200 |
|
application/x-lzma |
|
application/deflate64 |
|
application/x-lz4 |
|
application/x-snappy |
|
application/x-brotli |
|
application/gzip |
|
application/x-bzip |
|
application/x-xz |
|
application/x-tar |
|
application/java-archive |
|
application/x-arj |
|
application/x-archive |
|
application/zip |
|
application/x-cpio |
|
application/x-tika-unix-dump |
|
application/x-7z-compressed |
|
application/x-rar-compressed |
|
application/x-prt |
|
application/x-sas-data |
|
application/x-tmx |
|
video/x-flv |
|
application/x-wacz |
|
application/x-internet-archive |
|
application/warc |
|
application/arc+gz |
|
application/warc+gz |
|
application/x-quattro-pro; version=9 |
|
application/vnd.wordperfect; version=5.1 |
|
application/vnd.wordperfect; version=5.0 |
|
application/vnd.wordperfect; version=6.x |
|
application/x-xliff+xml |
|
application/x-xliff+zip |
|
application/xml |
|
image/svg+xml |
|
application/x-fictionbook+xml |
|
audio/x-oggflac |
|
audio/x-flac |
|
audio/ogg |
|
application/kate |
|
application/ogg |
|
video/daala |
|
video/x-ogguvs |
|
video/x-ogm |
|
audio/x-oggpcm |
|
video/ogg |
|
video/x-dirac |
|
video/x-oggrgb |
|
video/x-oggyuv |
|
audio/opus |
|
audio/ogg; codecs=opus |
|
audio/ogg; codecs=speex |
|
audio/speex |
|
video/theora |
|
audio/vorbis |