| OperaDDS - Secure Email Attachment File Types |
| Applies to: OperaDDS |
Solution:
File attachments in email are common threat vectors for malware. Executable files are not the only file type that can include threats. Below is a list of extensions that are not allowed through direct upload to OperaDDS Secure Email Attachments.
Note: Offices wishing to send a file from the list below should compress the file into a .zip file and upload that file, instead.
| File Extension | File Type |
|---|---|
| .adp | Access Project (Microsoft) |
| .app | Executable Application |
| .asp | Active Server Page |
| .bas | BASIC Source Code |
| .bat | Batch Processing |
| .cer | Internet Security Certificate File |
| .chm | Compiled HTML Help |
| .cmd | DOS CP/M Command File, Command File for WIndows NT |
| .cnt | Help file index |
| .com | Command |
| .cpl | Windows Control Panel Extension (Microsoft) |
| .crt | Certificate File |
| .csh | csh Script |
| .der | DER Encoded x509 Certificate File |
| .exe | Executable File |
| .fxp | FoxPro Compiled Source (Microsoft) |
| .gadget | Windows Vista gadget |
| .hlp | Windows Help File |
| .hpj | Project file used to create Windows Help File |
| .hta | Hypertext Application |
| .inf | Information or Setup file |
| .ins | IIS Internet Communications Settings (Microsoft) |
| .isp | IIS Internet Service Provider Settings (Microsoft) |
| .its | Internet Document Set, Internet Translation |
| .js | JavaScript Source Code |
| .jse | JScript Encoded Script File |
| .ksh | UNIX Shell Script |
| .lnk | Windows Shortcut File |
| .mad | Access Module Shortcut (Microsoft) |
| .maf | Access (Microsoft) |
| .mag | Access Diagram Shortcut (Microsoft) |
| .mam | Access Macro Shortcut (Microsoft) |
| .maq | Access Query Shortcut (Microsoft) |
| .mar | Access Report Shortcut (Microsoft) |
| .mas | Access Stored Procedures (Microsoft) |
| .mat | Access Table Shortcut (Microsoft) |
| .mau | Media Attachment Unit |
| .mav | Access View Shortcut (Microsoft) |
| .maw | Access Data Access Page (Microsoft) |
| .mda | Access Add-in (Microsoft), MDA Access 2 Workgroup (Microsoft) |
| .mdb | Access Application (Microsoft), MDB Access Database (Microsoft) |
| .mde | Access MDE Database File (Microsoft) |
| .mdt | Access Add-in Data (Microsoft) |
| .mdw | Access Workgroup Information (Microsoft) |
| .mdz | Access Wizard Template (Microsoft) |
| .msc | Microsoft Management Console Snap-in Control File (Microsoft) |
| .msh, .msh1, .msh2, .mshxml, .msh1xml, .msh2xml | Microsoft Shell |
| .msi | Windows Installer File (Microsoft) |
| .msp | Windows Installer Update |
| .mst | Windows SDK Setup Transform Script |
| .ops | Office Profile Settings File |
| .osd | Application virtualized with Microsoft SoftGrid Sequencer |
| .pcd | Visual Test (Microsoft) |
| .pif | Windows Program Information File (Microsoft) |
| .plg | Developer Studio Build Log |
| .prf | Windows System File |
| .prg | Program File |
| .pst | MS Exchange Address Book File, Outlook Personal Folder File (Microsoft) |
| .reg | Registration Information/Key for W95/98, Registry Data File |
| .scf | Windows Explorer command |
| .scr | Windows Screen Saver |
| .sct | Windows Script Component, Foxpro Screen (Microsoft) |
| .shb | Windows Shortcut into a Document |
| .shs | Shell Scrap Object File |
| .ps1, .ps1xml, .ps2, .ps2xml, .psc1, .psc2 | Windows PowerShell |
| .tmp | Temporary File/Folder |
| .url | Internet Location |
| .vb | VBScript File or Any VisualBasic Source |
| .vbe | VBScript Encoded Script File |
| .vbp | Visual Basic project file |
| .vbs | VBScript Script File, Visual Basic for Applications Script |
| .vsmacros | Visual Studio .NET Binary-based Macro Project (Microsoft) |
| .vsw | Visio Workspace File (Microsoft) |
| .ws | Windows Script File |
| .wsc | Windows Script Component |
| .wsf | Windows Script File |
| .wsh | Windows Script Host Settings File |
| .xnk | Exchange Public Folder Shortcut |
| .ade | ADC audio file |
| .cla | Java class file |
| .class | Java class file |
| .grp | Microsoft Windows Program Groups |
| .jar | Compressed archive file package for Java classes and data |
| .mcf | MMS Composer File |
| .ocx | ActiveX Control file |
| .pl | Perl script language source code |
| .xbap | Silverlight Application Package |
Printed copies of this document are considered uncontrolled.
39202.Rev002 04.21.2020