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Why can't I receive or open attachments with MSN® Mail?

If you receive an email message with an attachment that you are unable to open or view, this is probably because MSN Premium blocks attachments if:

  • The file has no extension or an extension that is incorrect.
  • The file is one that is potentially unsafe.

To resolve this issue

  1. View MSN Mail in MSN Hotmail at
  2. Sign in with your email name and password.

If the attachment cannot be viewed in MSN Premium because it has been blocked, you should still be able to view it when you open the message in MSN Hotmail.

Files that are potentially unsafe, and therefore blocked by MSN Premium, include:

  • ADE Microsoft Access Project Extension
  • MDB Microsoft Access Application
  • ADP Microsoft Access Project
  • MDE Microsoft Access
  • MDE Database
  • BAS Visual Basic Class Module
  • MSC Microsoft Common Console Document
  • BAT Batch File
  • MSI Windows Installer Package
  • CHM Compiled
  • HTML Help File
  • MSP Windows Installer Patch
  • CMD Windows NT Command Script
  • MST Visual Test Source File
  • COM MS-DOS Application
  • PCD Photo CD Image
  • CPL Control Panel Extension
  • PIF Shortcut to MS-DOS Program
  • CRT Security Certificate
  • REG Registration Entries
  • EXE Application
  • SCR Screen Saver
  • HLP Windows Help File
  • SCT Windows Script Component
  • HTA HTML Applications
  • SHS Shell Scrap Object
  • INF Setup Information File
  • URL Internet Shortcut (Uniform Resource Locator)
  • INS Internet Communication Settings
  • VB VBScript File ISP Internet Communication Settings
  • VBE VBScript Encoded Script File
  • JS JScript File - VBS VBScript Script File
  • JSE JScript Encoded Script File
  • WSC Windows Script Component
  • LNK Shortcut
  • WSF Windows Script File
  • WSH Windows Scripting Host Settings File
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