Blocked Email Extensions

List of file extensions that are blocked on the HSU Email Server.
This list is subject to change as needed for security.

File
Extension
File Type File
Extension
File Type
.ade Microsoft Access project extension .mde Microsoft Access MDE database
.adp Microsoft Access project .mdt Microsoft Access workgroup information
.app Microsoft Visual FoxPro application .mdw Microsoft Access workgroup information
.asx Windows Media Audio or Video shortcut .mdz Microsoft Access wizard program
.bas Visual Basic class module .msc Microsoft Common Console document
.bat Batch file .msi Windows Installer package
.cer blocked only in Outlook 2003 and later .msp Windows Installer patch
.chm Compiled HTML Help file .mst Visual Test source files
.cmd Windows NT Command script .ops Office XP settings
.com MS-DOS program .pcd Photo CD image
.cpl Control Panel extension .pif shortcut to MS-DOS program
.crt Security certificate .prf Microsoft Outlook profile settings
.csh KornShell script file .prg Microsoft Visual FoxPro program
.exe Program .pst Microsoft Outlook Personal Folders file
.fxp Microsoft Visual FoxPro compiled program .reg Registration entries
.hlp Help file .scf Windows Explorer command
.hta HTML program .scr Screen saver
.inf Setup Information .sct Windows Script Component
.ins Internet Naming Service .shb Shell Scrap Object
.job Windows Scheduled Task Objects .shs Shell Scrap Object
.isp Internet Communication settings .url Internet shortcut
.js JScript Script file .vb VBScript file
.jse Jscript Encoded Script file .vbe VBScript encoded script file
.ksh KornShell script file .vbs Visual Basic Script file
.lnk Shortcut .wsc Windows Script Component
.mda Microsoft Access add-in program .wsf Windows Script file
.mdb Microsoft Access program .wsh Windows Script Host Settings file
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