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Email Attachment Filters - What are the file types in each Category?

Thomas Hampel
 4 April 2016

IBM Connections Cloud customers can configure Email Filters in the Account Settings / Email Filters
Recently (end of March) those filters have been updated with a new feature to filter attachments cased on a certain type.
Image:Email Attachment Filters - What are the file types in each Category?
But what exactly are the file types that are being filtered when you enable this feature for a specific category?
Image:Email Attachment Filters - What are the file types in each Category?
IBM Connections Cloud is using IBM (Lotus) Protector for Mail Security, which allows to filter attachment based on mime types.
Attachment categories displayed here relate to the media type analysis module of IBM Protector which describes in detail which file types or file extensions are being filtered.

Here is a more detailled list of file types in each category.
Please note that this list is going to change in the future so I can not provide any guarantuee for completeness.

Application or Executable Files
  • AUTOCAD file (dwg)
  • BitTorrent meta info file (torrent)
  • DOS executable (com, exe, sys)
  • DOS/Windows Executable file format (com, exe, scr, sys)
  • Dynamic Link Library (cpl, dll, drv, ocx, x32)
  • Executable and Linkable Format (elf, so)
  • Microsoft Outlook's Transport Neutral Encapsulation Format (dat, tnef)
  • Integrated Color Management file (icm)
  • Java class file (class)
  • Library file format (a, lib)
  • Link [Shortcut Windows file format] (lnk)
  • Lotus Notes database (nsf)
  • MS Compiled HTML file (chi, chm)
  • MS Outlook Electronic Mail file [according to RFC 822] (eml)
  • MS Outlook Internet Account File (iaf)
  • MS Outlook Message file (msg, oft)
  • MS Outlook Personal information STore (pst)
  • MS Outlook Windows Address Book file (wab)
  • Object files (o, obj)
  • PKCS #7 Signature (p7m, p7s, pkcs7)
  • Self-extracting ZIP file format (exe)
  • Symbian Installation file (sis, sisx)
  • Tex Device Independent document (dvi)
  • TrueType Font (ttf)
  • Windows Helpfile (gid, hlp)
  • Windows Program Information File (pif)
  • Windows Registry file (reg)

Archival Files
  • 7-Zip archive (7z)
  • ACE archive (ace)
  • ALZip archive (alz)
  • Amiga LZX archive (lzx)
  • APPLE single or double Encoded Macintosh file
  • ARC archive (arc)
  • ARJ archive (arj)
  • BlakHole archive (bh)
  • BZip2 archive (bz2, tbz)
  • Copy In/Out archive (cpio)
  • Debian binary package (deb)
  • FOXSQZ
  • Gnu ZIP archive (emz, gz, tgz, wmz)
  • HQX archive [BinHex'd file] (hqx)
  • Installshield CAB archive (cab, hdr)
  • ISO9660 image (iso)
  • LH ARC archive (lha, lzh)
  • Linux RedHat Package Manager archive (rpm)
  • MacBinary encoded file (bin)
  • MBOX archive (mbox, mbx)
  • Media Disk Image File (ldf, mdf)
  • Microsoft Compressed file
  • MIME HTML web page archive (mht)
  • MS Cabinet archive (cab)
  • Parity Archive volume set (par, par2)
  • PGP Zip file (pgp)
  • RAR archive (r00, r01, r02, rar)
  • Squeeze archive [HLSQZ
  • SQWEZ] (sqz)
  • Standard unix compress (taz, z)
  • StuffIT archive (sit)
  • StuffIT X archive (sitx)
  • UHArc archive (uha)
  • Ultra Compressor 2 archive (uc2)
  • Unix Tape Archive (tar)
  • UUEncoded ASCII file (uu, uue, xxe)
  • ZIP archive [includes Java ARchives] (jar, pk3, zip)
  • ZOO archive (zoo)
  • [Mac OS X] Disk Image (dmg)

Image or Photo Files
  • Animated cursor file (ani)
  • ART image (art)
  • Bitmap pixel graphic for Windows or OS/2 (bmp, dib)
  • Corel Vector Graphic Drawing (cdr)
  • DJVU scanned image (djv, djvu)
  • AutoCAD Drawing Interchange Format (dxf)
  • Enhanced Windows Meta File image (emf)
  • DOS Encapsulated PostScript binary file (eps)
  • GEM raster image (gem, img)
  • CompuServe Graphics Interchange Format (gif)
  • Windows icon or cursor resource file (cur, ico)
  • Interchange File Format image (iff)
  • JPEG Network Graphics (jng)
  • JPEG 2000 compliant image (j2k, jp2)
  • Joint Photographic Expert Group compliant image (jfif, jif, jpe, jpeg, jpg)
  • LuraWave image (lwf)
  • Multiple-image Network Graphics (mng)
  • Portable Any Map (pam)
  • Portable Bit Map [ASCII format] (pbm)
  • Portable Bit Map [binary format] (pbm)
  • Zsoft Paintbrush image (pcx)
  • Portable Grey Map [ASCII format] (pgm)
  • Portable Grey Map [binary format] (pgm)
  • PICTOR / PC Paint image file (pic)
  • Portable Network Graphics image (png)
  • Portable Pixel Map [ASCII format] (ppm)
  • Portable Pixel Map [binary format] (ppm)
  • Adobe Photoshop image (psd)
  • Paint Shop Pro image (jsl, pfr, psp, tub)
  • Sun Raster image (ras, sun)
  • Utah Run Length Encoded bitmap image (rle)
  • Silicon Graphics bitmap Image (sgi)
  • Still Picture Interchange Format File image (spf)
  • StarView Metafile (svm)
  • Truevision Targa image (tga)
  • Tagged Image File Format (tif, tiff)
  • Windows Meta File image (wmf)
  • WordPerfect Graphic (wpg)
  • X11-BitMap image (xbm)
  • GIMP XCF image (xcf)
  • X11-PixMap image (xpm)

Video or Multimedia
  • Apple QuickTime MOVie file (mov, qt)
  • Audio Video Interleaved animation (avi, divx)
  • DVD Video movie (vob)
  • FLashVideo (flv)
  • Matroska file (mka, mks, mkv)
  • Microsoft Media [Advanced Streaming Format
  • Motion Pictures Experts Group movie file (m1v, mpe, mpeg, mpg)
  • MPEG-4 video (m4v, mp4)
  • NullSoft Video file (nsv)
  • OGG Vorbis movie file (ogm)
  • RealMedia [audio and video] files (ra, ram, rm)
  • RealPlayer Internet Video Recording (ivr)
  • SGI movie (movie)
  • ShockWave Flash file (swf)
  • VivoActive video file (viv)
  • Windows Media Audio
  • Windows Media Video] files (asf, wma, wmv)
  • XBOX file (xbe, xex, xpr, xtf)

Audio or Sound
Files
  • Audio Interchange File Format (aif, aiff)
  • CN=MusePack/O=MPEG Plus (mp+, mpc, mplus, mpp)
  • Creative Labs sound (voc)
  • Free lossless Audio Codec (flac)
  • MPEG-1 Layer 3 audio stream (mp2, mp3)
  • MPEG-4 Audio (m4a)
  • Musical Instrument Digital Interface sound file (mid, midi, rmi)
  • OGG Vorbis sound file (ogg)
  • Standard Windows WAVeform audio format (wav)
  • Sun Audio file (au, snd)
  • VQF sound file (vqf)

Text or Document Files
  • Corel WordPerfect Document (wp5, wpd)
  • Hangul Word Processor 3 document (hwp)
  • Lotus 123 Spread-/Worksheet (123, wk2, wk3, wk4)
  • Lotus Freelance Presentation (mas, prz, sym)
  • Microsoft Access DataBase (mda, mdb, mde, mdt)
  • Microsoft Compound Document format (doc, dot, fla, msi, msm, msp, oft, pot, ppa, pps, ppt, vsd, vss, vst, wiz, xla, xls, xlt)
  • Microsoft eBook (lit)
  • MIME HTML document (mht)
  • MS Excel Spreadsheet document (xla, xls, xlt)
  • MS Office 2007 Excel spreadsheet document (xlsb, xlsm, xlsx, xltm, xltx)
  • MS Office 2007 PowerPoint presentation (potm, potx, ppsm, ppsx, pptm, pptx)
  • MS Office 2007 Word document (docm, docx, dotm, dotx)
  • MS PowerPoint presentation (pot, ppa, pps, ppt)
  • MS Word Document (doc, dot, wiz)
  • MS Word for Macintosh document (mcw)
  • OASIS Open Document Format for Office Applications (odc, odf, odg, odi, odm, odp, ods, odt, otg, otp, ots, ott)
  • OpenOffice.org/StarOffice 6 document (stc, std, sti, stw, sxc, sxd, sxi, sxm, sxw)
  • Word for Windows 2.0 Document (doc)
  • Write document (wri)
Remark:
IBM Connections Cloud is constantly being updated, so file types might very well be changed or updated in the future.
Your milage may vary :)

References and further reading
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