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Trustwave Knowledge Base

Home » Knowledgebase » Trustwave MailMarshal (SEG) » INFO: What file types are recognized by Trustwave MailMarshal...

INFO: What file types are recognized by Trustwave MailMarshal (SEG) and ECM?

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This article applies to:

  • Trustwave MailMarshal (SEG) current versions
  • Trustwave ECM/MailMarshal Exchange 5.2 and above

Question:

  • What file types are recognized by Trustwave MailMarshal (SEG)?
  • What file types are recognized by Trustwave ECM 5.2 and above?  

Information:

The following formats are recognized by current MailMarshal (SEG) and ECM versions.

Notes:

  • Some types are recognized only with current product versions, as noted. Items marked "Current SEG" were added before 2023. These items are not recognized by ECM.
  • Additional types are recognized with specific updates to the File Type DLL. For information about the File Type update for each MailMarshal version, see article Q20446.
    • File Type updates are distributed through the MailMarshal Automatic Updates to installations with current maintenance.
  • Items recognized with a specific MailMarshal/SEG or FileType update are not recognized in MailMarshal Exchange/ECM.
In the tables below, Type Name refers to the name seen in the Engine log and rule listings. Description is the name as seen when selecting types in the email policy editor.
  • The Type Name is often the same as the usual file extension. However, file type detection is based on file structure and NOT on the file extension. If you rename a zip archive as ".TXT", it is still recognized as a zip archive by MailMarshal.

Archive

Type Name Description
7Z 7Zip Archive 
7Zcrypt 7Zip encrypted archive (Current SEG)
7Zsfx 7Zip self extracting archive
ACE ACE archive
ACEsfx ACE self extracting archive
IWA Apple iWork Archive .IWA (Current SEG)
ARC ARC archive
ARJ ARJ archive
ARJcrypt ARJ encrypted archive
ARJsfxcrypt ARJ encrypted self extracting archive
ARJsfx ARJ self extracting archive
B64 Base64 (MIME) Encoding
B2A BtoA Encoding
BZ2 bZIP2 archive
CABI InstallShield CAB Archive
CPIO CPIO archive
DEB Debian Binary Package file (Current SEG)
GZ GZIP archive
HQX HQX (BinHex) archive
CABI InstallShield CAB Archive
CDISO ISO 9660 CD Filesystem
LYMESFX LYME self extracting archive  (Current SEG)
LZH LZH archive
MacBIN MacBinary I, II, or III archive
MDXMedia MDX Extended Media Descriptor File (Current SEG)
CABM Microsoft CAB/Expand Archive
SZDD Microsoft SZDD archive 
MAR Mozilla Archive
MSI MSI Windows Installer package
MSIX MSIX Windows Installer Package (Current SEG)
PBIX Power BI Report (FileType 2024-02-01 and above)
RAR RAR archive
RARcrypt RAR encrypted archive
RARsfxcrypt RAR encrypted self extracting archive
RARsfx RAR self extracting archive
RARSpan RAR spanned archive
RPM Redhat Package Manager file (Current SEG)
SEAEncrypt SEA encrypted self extracting archive
SEA SEA self extracting archive
SIT SIT archive
SITEncrypt SIT encrypted archive
TAR TAR archive
UDF Universal Disk Format (UDF) (Current SEG)
UUE UUencoded Encoding
XZ XZ archive  (Current SEG)
Z Z (compress) archive
ZIP ZIP archive
ZIPcrypt ZIP encrypted archive
ZIPsfxcrypt ZIP encrypted self extracting archive
ZIPsfx ZIP self extracting archive
ZOO ZOO archive

Azure IRM Protected Documents

New category and new items in MailMarshal/SEG 8.2.

Type Name Description
RPMSGPLAIN Decrypted restricted-permission message 
XLSXIRM Excel 2007+ document with IRM
XLSIRM Excel document with IRM
PFILE File protected with IRM 
OREIRM OLE compound document with IRM
XLSIRMcrypt Password protected Excel with IRM
PPSIRMcrypt Password protected Powerpoint show with IRM
PPTIRMcrypt Password protected Powerpoint with IRM
WordIRMcrypt Password protected Word with IRM
PPTXIRM Powerpoint 2007+ document with IRM
PPTIRM Powerpoint document with IRM
PPSIRM Powerpoint show with IRM 
RPMSG Restricted-permission message 
DOCIRM Word 2007+ doc with IRM in Word 2003 mode 
DOCXIRM Word 2007+ document with IRM

Document

Type Name Description
MDB Access database
MDW Access system database
INDD Adobe InDesign Document (Current SEG)
MSO Document data
DVI DVI TeX document
XLScrypt Encrypted Excel document (Current SEG)
PPTcrypt Encrypted PowerPoint Document (Current SEG)
PPScrypt Encrypted PowerPoint Show (Current SEG)
DOCcrypt Encrypted Word document
XLSB Excel 2007+ Binary Document 
Includes later versions; see note below.
XLSX Excel 2007+ document 
XLSXIRM Excel 2007+ document with IRM (Current SEG)
XLS Excel document
XLSIRM Excel document with IRM (Current SEG)
NFO Folio Infobase
FM3 Lotus 123 FM3 sheet form
WK1 Lotus 123 WK1 sheet
WK3 Lotus 123 WK3 sheet
WK4 Lotus 123 WK4
SAM Lotus AmiPro document
LWP Lotus WordPro document
MCW Mac Word document
ACCDB Microsoft Access Database .ACCDB (Current SEG)
ONE Microsoft OneNote (Current SEG)
VSDX Microsoft Visio 2013 Drawing
DOCXML Microsoft Word 2003 XML Document
OfficeMacroScript Office Macro Script
Office2007Macro Office 2007+ Macro 
Includes later versions; see note below.
OLE OLE compound document
OREIRM OLE compound document with IRM
ODC Open Office chart file 
OTC Open Office chart template 
ODB Open Office database file 
ODT Open Office document file 
OTT Open Office document template
ODF Open Office formulae file 
OOoOTF Open Office formulae template 
ODM Open Office global text document 
OTH Open Office global text template 
ODG Open Office graphics file 
OTG Open Office graphics template 
ODI Open Office image file
OTI Open Office image template 
ODP Open Office presentation file 
OTP Open Office presentation template 
ODS Open Office spreadsheet file 
OTS Open Office spreadsheet template 
OpenXML OpenXML Document (Current SEG)
PM6 PageMaker document
XLSIRMcrypt Password protected Excel with IRM (Current SEG)
PPSIRMcrypt Password protected Powerpoint Show with IRM (Current SEG)
PPTIRMcrypt Password protected Powerpoint with IRM (Current SEG)
WordIRMcrypt Password protected Word with IRM (Current SEG)
PDF PDF document
PDFXFAForm PDF document - Dynamic XFA form (Current SEG)
PDFcrypt PDF document - Encrypted
PDFInvalid PDF document - Invalid header record (Current SEG; see Q16666)
PDFprotect PDF document - Protected
PDFInvalidFormat PDF Un-recognized file format
PS PostScript document
PPTX PowerPoint 2007+ document 
Includes later versions; see note below.
PPTXIRM PowerPoint 2007+ document with IRM (Current SEG)
PPTIRM PowerPoint document with IRM (Current SEG)
PPSX PowerPoint 2007+ show 
PPT PowerPoint document
PPS PowerPoint show
PPSIRM PowerPoint show with IRM (Current SEG)
PRJ Project document
PUB Publisher document
QXD Quark Express document
RTF Rich Text document
Word2 Word 2 Document
DOCIRM Word 2007+ doc with IRM in Word 2003 mode 
DOCX Word 2007+ Document 
Includes later versions; see note below.
DOCXIRM Word 2007+ document with IRM (Current SEG)
DOC6 Word 6 Document
DOC Word document
WPD WordPerfect document
WPS Works for Windows document
WRI Write document
XPS XPS Document (Current SEG)

Drawing

Type Name Description
AI Adobe Illustrator drawing
DWG AutoCAD Drawing
DWF AutoCAD Format
CTB AutoCAD Plotting Support .CTB (Current SEG)
CMX Corel Binary Meta file
CDR Corel Draw Drawing
DXF Drawing Interchange File DXF
FP3 FloorPlan Plus 3D
FH Freehand drawing
VSDX Microsoft Visio 2013 Drawing .VSDX (Current SEG - see note)
VXD Microsoft Visio Drawing
NWD Navisworks Document .NWD (Current SEG)
Solidworks Solidworks CAD files (.SPDPRT, .SLDASM, .SLDDRW, .SLDDRT) (Current SEG)
STL StereoLithography Drawing (Current SEG)

Encrypted

Type Name Description
7Zcrypt 7Zip encrypted archive (Current SEG)
ARJcrypt ARJ encrypted archive
ARJsfxcrypt ARJ encrypted self extracting archive
AXCRYPT AXCrypt Encrypted Data (Current SEG)
Switch Egress Switch Encrypted Mail (Current SEG)
XLScrypt Encrypted Excel document (Current SEG)
PPTcrypt Encrypted PowerPoint Document (Current SEG)
PPScrypt Encrypted PowerPoint Show (Current SEG)
DOCcrypt Encrypted Word Document
XLSXIRM Excel 2007+ document with IRM (Current SEG)
XLSIRM Excel document with IRM (Current SEG)
PFILE File protected with IRM 
GPG Gnu Privacy Guard file .GPG (Current SEG)
OREIRM OLE compound document with IRM
XLSIRMcrypt Password protected Excel with IRM (Current SEG)
PPSIRMcrypt Password protected Powerpoint show with IRM (Current SEG)
PPTIRMcrypt Password protected Powerpoint with IRM (Current SEG)
WordIRMcrypt Password protected Word with IRM (Current SEG1)
PDFcrypt PDF document - encrypted
PENC Perl Encoded file .ENC (Current SEG)
PGP PGP Encrypted Data
PPTXIRM Powerpoint 2007+ document with IRM (Current SEG)
PPTIRM Powerpoint  document with IRM (Current SEG)
RARcrypt RAR encrypted archive
RARsfxcrypt RAR encrypted self extracting archive
RPMSG Restricted-permission message  
SEAEncrypt SEA encrypted self extracting archive
SITEncrypt SIT encrypted archive
P7M SMime Encrypted Data
DOCIRM Word 2007+ document with IRM in Word 2003 mode
DOCXIRM Word 2007+ document with IRM (Current SEG)
ZIPcrypt ZIP encrypted archive
ZIPsfxcrypt ZIP encrypted self extracting archive
ZIX ZixCorp encrypted mail (Current SEG)

Executable

Type Name Description
7Zsfx 7Zip self extracting archive 
ACEsfx ACE self extracting archive
ARJsfxcrypt ARJ encrypted self extracting archive
ARJsfx ARJ self extracting archive
CLASS Java class file
APPL Macintosh M68k executable
PEF Macintosh PPC executable
CABM Microsoft CAB/Expand Archive
COM MSDOS Com executable
EXE MS-DOS Executable
MSI MSI Windows Installer Package
MSIX MSIX Windows Installer Package (Current SEG)
NLM NetWare Loadable Module
EXEO16 OS/2 16bit executable
DLLO32 OS/2 32bit DLL
EXEO32 OS/2 32bit Executable
PYC Python bytecode file (Current SEG)
RARsfxcrypt RAR encrypted self extracting archive
RARsfx RAR self extracting archive
SEAEncrypt SEA encrypted self extracting archive
SEA SEA self extracting archive
CIF UNIX CIF Executable
COFF UNIX COFF Executable
ELF UNIX ELF Executable
DLLW16 Win16 DLL
EXEW16 Win16 executable
DLLO16 Win16 VXD or OS/2 DLL
DLLW32 Win32 DLL
EXE32W Win32 executable
ZIPsfxcrypt ZIP encrypted self extracting archive
ZIPsfx ZIP self extracting archive

Font

Type Name Description
EOT Embedded OpenType Font (Current SEG)
OTF OpenType Font
TTF True Type Font
AFM Type 1 Adobe Font Metric
PFB Type 1 Printer Font Binary
PFM Type 1 Printer Font Metric
WOFF Web Open Font Format (Current SEG)
FON Windows Bitmap font
ODTTF XPS Embedded font (ODTTF) (Current SEG)

Image

Type Name Description
PSD Adobe Photoshop Image
BMP Bitmap image
CPT Corel Photo-Draw Image
EPS Encapsulated PostScript
EMF Enhanced MetaFile Image
GIF Gif image
HEIC HEIF image (Current SEG)
ICO Icon
JPG Jpeg image
JBIG2 JBIG2 image (Current SEG)
JPEG2000 Jpeg2000 image
CIL Microsoft ClipArt Gallery
MDI Microsoft Document Image
MIX Microsoft PhotoDraw Image
PSP Paint Shop Pro image
PNG Portable Network Graphics (PNG)
TIF Tiff image
WEBP WebP Image File (Current SEG)
HDPHOTO Windows HD Photo (Current SEG)
WMF Windows MetaFile Image
PCX Zsoft PCX Image

Mail Components

Type Name Description
MBODY Mail Body
MHDR Mail Headers
MAIL Mail message
TNEF TNEF Exchange Mail Message
HTMLBody TNEF Exchange Mail Message extracted HTML Mail Body
RTFBody TNEF Exchange Mail Message extracted RTF Mail Body

Other

Type Name Description
BPlist Apple Binary Plist
AppleDouble AppleDouble header
AppleSingle AppleSingle formatted file
BIN Binary Unknown (indicates a file of unrecognized type)
TORRENT Bittorent .torrent metainfo file 
ICS Calendar Meeting Invitation (iCalendar) (Current SEG)
ICSDescription Calendar Meeting Invitation Description (Current SEG)
ICSSummary Calendar Meeting Invitation Summary (Current SEG)
TPS Clarion TopSpeed File .TPS (Current SEG)
CHM Compiled HTML Help file
DBF dBase/xbase Data File .DBF (Current SEG)
DBT dBase Memo Field File (Current SEG)
MDXdbase dBase Multiple Index File (Current SEG)
SYS DOS device driver (Current SEG)
VCF Electronic Business Card .VCF (Current SEG)
ICM Independent Color Matching .ICM (Current SEG)
InfoSlip Infoslips document (Current SEG)
JOS Java Object Serialized Data (Current SEG)
DSStore Mac OSX Finder Info (Current SEG)
MAPIBlock MAPI Encoded data
OST MAPI Off-line Store
PAB MAPI Personal Address Book
PST MAPI Personal Store
MAT MATLAB Data File (Current SEG)
PDB Microsoft Debugging Symbols (Current SEG)
LIB Microsoft Program Library (Current SEG)
MSBLDCACHE MS Build Cache File (Current SEG)
RCM MTXWIN95 Registry Command File
OracleRDF Oracle Report Definition File (Current SEG)
Appointment Outlook Appointment
Contact Outlook Contact
MSG Outlook message
Note Outlook Note
Task Outlook Task
P12 PKCS#12 Certificate Archive (FileType 2023-03-01 and above)
PCAP Packet Capture (Current SEG)
PCAPNG Packet Capture NG (Current SEG)
PEMCert PEM encoded certificate .PEM (Current SEG - see note)
PFX PFX Certificate Archive (Current SEG)
PGPPublicKey PGP Public Key (Current SEG)
PGPSigned PGP Signed Data 
PBIXMashup Power BI Data Mashup Archive (Current SEG)
PBIXMetadata Power BI Data Metadata (Current SEG)
PBIXModel Power BI Data Model (Current SEG)
PBIXBindings Power BI Security Bindings (Current SEG)
PBIXSettings Power BI Settings (FileType 2024-02-01 and above)
QBB QuickBooks Backup .QBB (Current SEG)
QBW QuickBooks Company file .QBW (Current SEG)
RTF Object RTF Object
SHP Shape file (.SHP) (Current SEG)
SHX Shape Index file (.SHX) (Current SEG)
P7S SMime Signed Data
SQLiteDB SQLite Database (Current SEG)
EMC Striata Encrypted Mail Communication (Current SEG)
TEXT Text
VHD Virtual Hard Disk Image .VHD (Current SEG)
VSSSCC Visual Source Safe Source Code Control (Current SEG)
HLP Windows Help file
MST Windows Installer Setup Transform .MST (Current SEG)
URL Windows Internet shortcut
EVT Windows NT event log
REG Windows Registry Data
WSF Windows Script File .WSF (Current SEG)
LNK Windows shortcut
EVTX Windows Vista event log .EVTX (Current SEG)
XML XML Document (Current SEG)

Sound

Type Name Description
AAC AAC audio 
FLSA Adobe Flash Audio (Current SEG)
AU AU sound file
ENC Encore Music Notation .ENC (Current SEG)
ASX Microsoft Active Streaming link
MID MIDI sound file
MP3 MP3 sound file
OGA OGG stream for audio 
RAM Real Audio Link
RA Real Audio sound file
RMP Real Jukebox Metadata Package
Real RealPlayer audio/video
WAV WAV sound file
ASF Windows Active Streaming Format

Video

Type Name Description
3GPP 3GPP Video (Current SEG)
FLSV Adobe Flash Video (Current SEG)
FLC Animator Pro FLC file
FLI Animator Pro FLI file
AVI AVI video
DVM DVM video
ASX Microsoft Active Streaming link
MOV Mov video
MPG Mpeg video
OGV OGG stream for video 
Real RealPlayer audio/video
SWF Shockwave Flash
FLV Shockwave Flash video
WEBM WebM Video File  (Current SEG)
ASF Windows Active Streaming Format

Web Browsing

Type Name Description
CSS Cascading style sheet
CRL Certificate Revocation List (CRL)
GIF GIF Image 
Goog Google Safe Browsing Update
HTML HTML Document
ICO Icon
CLASS Java class file
JS JavaScript file
JPG JPEG image
OCSPResponse OCSP Response File
PNG PNG image
SWF Shockwave Flash
VBS VBScript file (Current SEG)
FORMBIN Web Page binary form data
FORMTEXT Web page text form data
WEBM WebM Video File (Current SEG)
WEBP WebP Image File (Current SEG)

Non-Selectable Types

The following types cannot be selected in rules. They are used internally by MailMarshal and will be shown in logs as appropriate.

Type Name Description
BIFF12 Binary File Format for Office 12
CHMBINOBJ CHM Binary Object
ODTCache Open Document Text Layout-cache
OLEStream OLE Raw Stream
PDFStream PDF Raw Stream 
ZIPBig Zip with massively redundant data

Notes:

  • Word, Excel, and PowerPoint "2007" or "2007+" file type is the default format used by all later versions (including Office 2010, 2013, and 2016). All documents saved in this format are recognized, regardless of the Office software version.
  • Trustwave Knowledgebase articles for information about earlier versions have been withdrawn.

This article was previously published as:
NETIQKB40962

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