This is a partial list of file types that should be considered suspicious when received as email attachments and should not be opened unless you requested or expected the attachment. Please feel free to print this list and use it any way you see fit.
|
| Extension |
Description |
Extension |
Description |
| .ade |
Microsoft Access Project Extension |
.adp |
Microsoft Access Project |
| .bas |
Visual Basic Class Module |
.bat |
Batch File |
| .chm |
Compiled HTML Help File |
.cmd |
Windows NT Command Script |
| .com |
MS-DOS Application |
.cpl |
Control Panel Extension |
| .crt |
Security Certificate |
.dll |
Dynamic Link Library |
| .do* |
Word Documents and Templates |
.exe |
Application |
| .hlp |
Windows Help File |
.hta |
HTML Applications |
| .inf |
Setup Information File |
.ins |
Internet Communication Settings |
| .isp |
Internet Communication Settings |
.js |
JScript File |
| .jse |
JScript Encoded Script File |
.lnk |
Shortcut |
| .mdb |
Microsoft Access Application |
.mde |
Microsoft Access MDE Database |
| .msc |
Microsoft Common Console Document |
.mse |
Windows Installer Package |
| .msp |
Windows Installer Patch |
.mst |
Visual Test Source File |
| .ocx |
ActiveX Objects |
.pcd |
Photo CD Image |
| .pif |
Shortcut to MS-DOS Program |
.pot |
PowerPoint Templates |
| .ppt |
PowerPoint Files |
.reg |
Registration Entries |
| .scr |
Screen Saver |
.sct |
Windows Script Component |
| .shb |
Document Shortcut File |
.shs |
Shell Scrap Object |
| .sys |
System Config/Driver |
.url |
Internet Shortcut (Uniform Resource Locator) |
| .vb |
VBScript File |
.vbe |
VBScript Encoded Script File |
| .vbs |
VBScript Script File |
.wsc |
Windows Script Component |
| .wsf |
Windows Script File |
.wsh |
Windows Scripting Host Settings File |
| .xl* |
Excel Files and Templates |
|
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