Supported File Types

MetaDefender Sandbox accepts files below the size limit for analysis. The table below lists the most prevalent file types officially supported, organized by category. Unlisted file types may yield less accurate analysis results.

Application Files

File TypeStatic AnalysisDynamic AnalysisOSComment
A3X Yes No WindowsAutoIt v3 Script
AU3 Yes No WindowsAutoIt v3 Script

Office Documents

File TypeStatic AnalysisDynamic AnalysisOSComment
DOC Yes Yes WindowsMicrosoft Word 97-2003 Document (.doc)
DOC95 Yes No WindowsMicrosoft Word 95 Document (.doc)
DOCM Yes Yes WindowsMicrosoft Word Macro-Enabled Document (.docm)
DOCX Yes Yes WindowsMicrosoft Word Document (.docx)
DOT Yes Yes WindowsMicrosoft Word 97-2003 Template (.dot)
DOT95 Yes No WindowsMicrosoft Word 95 Template (.dot)
DOTM Yes Yes WindowsMicrosoft Word Macro-Enabled Template (.dotm)
DOTX Yes Yes WindowsMicrosoft Word Template (.dotx)
HWP Yes Yes WindowsHangul Word Processor
ODC Yes No Multi-OSOffice Data Connection
ODF Yes No Multi-OSOpenDocument Formula
ODG Yes No Multi-OSOpenDocument Graphics
ODI Yes No Multi-OSOpenDocument Image
ODP Yes No Multi-OSOpenDocument Presentation
ODS Yes No Multi-OSOpenDocument Spreadsheet
ODT Yes No Multi-OSOpenDocument Text
ONE Yes Yes, limited *WindowsMicrosoft OneNote exported section
POT Yes Yes WindowsMicrosoft PowerPoint 97-2003 Template
POTM Yes Yes WindowsMicrosoft PowerPoint Macro-Enabled Template
POTX Yes Yes WindowsMicrosoft PowerPoint Template
PPAM Yes Yes WindowsMicrosoft PowerPoint Add-in
PPSX Yes Yes WindowsMicrosoft PowerPoint Slide Show (.ppsx)
PPT Yes Yes WindowsMicrosoft PowerPoint 97-2003 Presentation (.ppt)
PPT95 Yes No WindowsMicrosoft PowerPoint 95 Presentation (.ppt)
PPTM Yes Yes WindowsMicrosoft PowerPoint Macro-Enabled Presentation (.pptm)
PPTX Yes Yes WindowsMicrosoft PowerPoint Presentation (.pptx)
PUB Yes Yes WindowsMicrosoft Publisher
RTF Yes Yes WindowsRich Text Format
XLM Yes Yes WindowsMicrosoft Excel 4.0 Macro sheet
XLS Yes Yes WindowsMicrosoft Excel 97-2003 Workbook (.xls)
XLS95 Yes No WindowsMicrosoft Excel 95 Workbook (.xls)
XLSB Yes Yes WindowsMicrosoft Excel Binary Workbook
XLSM Yes Yes WindowsMicrosoft Excel Macro-Enabled Workbook (.xlsm)
XLSX Yes Yes WindowsMicrosoft Excel Workbook (.xlsx)
XLT Yes Yes WindowsMicrosoft Excel Template
XLTM Yes Yes WindowsMicrosoft Excel Macro-Enabled Template (.xltm)
XLTX Yes Yes WindowsMicrosoft Excel Template (.xltx)

Encrypted Documents

Encrypted documents are handled with special processing to extract and analyze content while maintaining security protocols.

Executable Files

File TypeStatic AnalysisDynamic AnalysisOSComment
APK Yes No AndroidAndroid Application Package
CPL Yes No WindowsControl Panel Extension
ELF Yes No UnixExecutable and Linkable Format
LNK Yes Yes WindowsWindows Shortcut
MSI Yes No WindowsWindows Installer Package
PE (EXE/DLL) Yes Yes, limited **WindowsPE unpacking & re-analysis
PE (dotnet_pe) Yes Yes, limited **WindowsPE.NET decompilation & re-analysis
PE (other) Yes Yes, limited **WindowsOther specific PE types (SFX, Golang, Rust, etc.)

Image Files

File TypeStatic AnalysisDynamic AnalysisOSComment
BMP Yes No Multi-OSHidden data checks
DWG Yes No WindowsVBA macro extraction
JPG Yes No Multi-OSHidden data checks
PNG Yes No Multi-OSHidden data checks
SVG Yes Yes, limited *WindowsScalable Vector Graphics

Disk Image Files

Disk image files are analyzed for contained file systems and embedded content.

Media Files

File TypeStatic AnalysisDynamic AnalysisOSComment
ASF Yes No WindowsWindows Media Video
WMV Yes No Multi-OSMetadata analysis

Adobe Files

File TypeStatic AnalysisDynamic AnalysisOSComment
PDF Yes Yes, limited *Multi-OSPortable Document Format

Text Files

File TypeStatic AnalysisDynamic AnalysisOSComment
BAT Yes Yes WindowsBatch Script
CSV Yes No Multi-OSComma-Separated Values
HTA Yes Yes WindowsHTML Application
HTML Yes Yes, limited *WindowsHypertext Markup Language
ICS Yes No Multi-OSiCalendar
JS Yes Yes Multi-OSJavaScript
JScript Yes Yes WindowsMicrosoft's implementation of JavaScript
JSON Yes No Multi-OSJavaScript Object Notation
JSE Yes Yes WindowsJScript Encoded
PS1 Yes Yes WindowsPowerShell
PY Yes No Multi-OSPython
SH Yes No UnixShell script
TXT Yes Yes WindowsPlain Text
VBScript Yes Yes WindowsVisual Basic Script
WSF Yes Yes WindowsWindows Script File
XML Yes No Multi-OSExtensible Markup Language

Email Files

File TypeStatic AnalysisDynamic AnalysisOSComment
EML Yes Yes, limited *WindowsElectronic Mail
MBOX Yes Yes WindowsMailbox Format
MSG Yes No WindowsOutlook Message
RFC822 Yes No WindowsRFC822 Email Format

Other

File TypeStatic AnalysisDynamic AnalysisOSComment
CHM Yes Yes WindowsCompiled HTML Help
CLASS (java-bytecode) Yes No Multi-OSLimited support. Yet just for a few specific malware config extraction
Java Yes No Multi-OSJava Decompilation & re-analysis
MHT, MHTML Yes No Multi-OSWeb Archive
MSC Yes Yes WindowsMicrosoft Management Console
MSO Yes Yes Multi-OSMicrosoft office active/macro object files
OLE Yes Yes WindowsObject Linking and Embedding
Pickle Yes No Multi-OSPython Pickle
SCT Yes Yes WindowsWindows Scriptlet

Archive Files

Supported Archive TypesArchives extractionType-specific analysisComment
7Z Yes N/A
ACE Yes N/A
BZIP2/BZ2 Yes N/A
CAB No Yes Requires version 1.6.1 or later
DEB Yes * Yes
GTAR Yes N/A
GZIP Yes N/A
LZIP Yes N/A
ISO Yes No
PKG (NodeJS) Yes No
RAR Yes N/A
SFX (PEEXE) Yes Yes
TBZ2 Yes N/A
TAR Yes N/A
TGZ Yes N/A
TXZ Yes N/A
MSU Yes No
VHD Yes N/A Requires 1.6.3 or later
WHL Yes No
XPI Yes No
ZIP Yes N/A
ZIPX Yes N/A

* The most relevant files are identified and extracted, along with the file list. But not all of the contained files.

Note: The MIME type is detected automatically regardless of the provided file suffix.

* if the file contains objects that have dedicated dynamic analysis support (e.g. JavaScript in PDF)

** Read more about supported unpackers and full overview of executable capabilities available here

Maximum File Size:

The maximum file size is 2000 MB.

Note: All file size limits can be configured.

Maximum parallel uploads

Maximum parallel uploads - as part of an archive - from v2..:

  • 1000 executables,
  • 10 documents,
  • 10 other
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