[mso] Re: exe files

  • From: "Errol Sapir" <errol@xxxxxxxxxxx>
  • To: <mso@xxxxxxxxxxxxx>
  • Date: Sun, 31 Aug 2003 23:59:11 +0200

Greg is there a reason I see your replies with "=20" on many of the lines?
Errol

-----Original Message-----
From: mso-bounce@xxxxxxxxxxxxx [mailto:mso-bounce@xxxxxxxxxxxxx] On Behalf
Of Greg Chapman
Sent: Sunday, August 31, 2003 10:44 PM
To: mso@xxxxxxxxxxxxx
Subject: [mso] Re: exe files

Never mind on that version request. I see from your mail headers that = you
are using Microsoft Office Outlook, Build 11.0.5329.

Take a look at these instructions from
http://support.microsoft.com/default.aspx?scid=3Dkb;en-us;290497
Microsoft Knowledge Base Article - 290497=20

I've modified the article to reflect Outlook 2003 (Office 11):
=20
OL2003: You Cannot Open Attachments
=20
1. Quit Outlook 2003, if it is running.
2. Click Start, and then click Run.
3. In the Open box, type regedit, and then click OK.
4. See if the following registry key exists. If it does, skip to step 5. =

        HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Security

        If the registry key does not exist, create it. To create the
registry key, locate and then click the following registry key:
        HKEY_CURRENT_USER\Software\Microsoft

        a. Click the Edit menu, click New, and then click Key.
        b. Type Office, and then press ENTER.
        c. Click the Edit menu, click New, and then click Key.
        d. Type 11.0, and then press ENTER.
        e. Click the Edit menu, click New, and then click Key.
        f. Type Outlook, and then press ENTER.
        g.Click the Edit menu, click New, and then click Key.
        h. Type Security, and then press ENTER.
5. Click the Edit menu, click New, and then click String Value.
6. Type the following name for the new value:
        Level1Remove

7. Press ENTER.
8. Right-click the new string value name, and then click Modify.
9. Type the extension of the file type that you want to open in Outlook
2002. For example:
        .exe

        To specify multiple file types, use the following format:=20
        exe;com

10. Click OK.
11. Quit Registry Editor.
12. Restart your computer. Restart Outlook

When you start Outlook 2002, you can open the file types that you =
specified in the registry.

NOTE: Microsoft recommends that you enable only the file types that you
need. If you rarely receive a particular file type, Microsoft recommends
that you give Outlook 2003 temporary access to the file type in = question,
and then reconfigure Outlook 2003 to block the file type by undoing the
changes to registry.=20

Some additional info on attachments from the article that may make some = of
their logic more transparent is pasted after my signature. I put it = there
because once you read it, you've nearly experienced a complete book!

Please, let us know whether this is useful to you or where it failed.
Thanks!

Greg Chapman
http://www.mousetrax.com=20
"Counting in binary is as easy as 01, 10, 11!
With thinking this clear, is coding really a good idea?"


Attachment Behavior
Attachments are divided into three groups based on their file name
extension, or type. Outlook handles each group in a specific way.=20 Level 1
("Unsafe") The "unsafe" category represents any extension that may have
script or = code associated with it. You cannot open any attachment with an
"unsafe"
extension if you use a version of Outlook that has the security patch
applied to it. The following list contains attachments that are = considered
unsafe:=20

Extension       File type
---------------------------------------------------
.ade            Microsoft Access project extension=20
.adp            Microsoft Access project=20
.asx            Windows Media Audio / Video
.bas            Microsoft Visual Basic class module=20
.bat            Batch file=20
.chm            Compiled HTML Help file=20
.cmd            Microsoft Windows NT Command script=20
.com            Microsoft MS-DOS program=20
.cpl            Control Panel extension=20
.crt            Security certificate=20
.exe            Program=20
.hlp            Help file=20
.hta            HTML program
.inf            Setup Information=20
.ins            Internet Naming Service=20
.isp            Internet Communication settings=20
.js             JScript file=20
.jse            Jscript Encoded Script file=20
.lnk            Shortcut=20
.mda            Microsoft Access add-in program=20
.mdb            Microsoft Access program=20
.mde            Microsoft Access MDE database=20
.mdt            Microsoft Access workgroup information =20
.mdw            Microsoft Access workgroup information=20
.mdz            Microsoft Access wizard program=20
.msc            Microsoft Common Console document=20
.msi            Microsoft Windows Installer package=20
.msp            Microsoft Windows Installer patch=20
.mst            Microsoft Windows Installer transform; Microsoft Visual
Test source file=20
.ops            Office XP settings=20
.pcd            Photo CD image; Microsoft Visual compiled script=20
.pif            Shortcut to MS-DOS program=20
.prf            Microsoft Outlook profile settings
.reg            Registration entries=20
.scf            Windows Explorer command
.scr            Screen saver=20
.sct            Windows Script Component=20
.shb            Shell Scrap object
.shs            Shell Scrap object=20
.url            Internet shortcut=20
.vb             VBScript file=20
.vbe            VBScript Encoded script file=20
.vbs            VBScript file=20
.wsc            Windows Script Component=20
.wsf            Windows Script file=20
.wsh            Windows Script Host Settings file=20
                                =09

The following list describes how Outlook functions when you receive or =
send an "unsafe" file attachment:=20 Any "unsafe" attachment is not
accessible. You cannot save, delete, = open, print, or otherwise work with
"unsafe" files. The top of the e-mail = message indicates that Outlook has
blocked access to the "unsafe" attachment. = The attachment is not
accessible from Outlook; however, the attachment is = not actually removed
from the e-mail message.
If you forward an e-mail message with an "unsafe" attachment, the =
attachment is not included in the forwarded e-mail message.
If you send an e-mail message that contains an "unsafe" attachment, you
receive a warning message that says other Outlook recipients may not be =
able to access the attachment that you are trying to send. You can either =
ignore the warning message and send the e-mail message, or you can choose to
= not send the e-mail message.
If you save or close an e-mail message that contains an "unsafe" =
attachment, you receive a warning message that says you will not be able to
open the attachment in Outlook. You can override the warning message and
save the e-mail message.
You cannot open objects that are inserted into Microsoft Outlook Rich = Text
messages by using the Insert Object command. You do see a visual
representation of the object, but you cannot open or activate the object =
in the e-mail message.
You cannot open "unsafe" files that have been directly stored in an =
Outlook or Exchange folder. Although these files are not attached to an
Outlook item, they are still considered "unsafe." The following error
message = occurs in this situation:

Can't open the item. Outlook blocked access to this potentially unsafe =
item.

Level 2
Level 2 files are not "unsafe" but they do require more security than =
other attachments. When you receive a Level 2 attachment, you are prompted
to = save the attachment to a disk; you cannot open the attachment in the
e-mail message. By default, extensions are not associated with this group; =
however, you can add extensions to the Level 2 list.=20

NOTE: You can only change the list of files that are included in the = Level
2 category if you are using Outlook in an Exchange environment and your =
mail is being delivered to an Exchange mailbox. An administrator must make =
these changes.=20 Other Attachments When you try to open an attachment other
than those in the "unsafe" or = Level
2 lists, you are prompted to either open the file directly or to save it =
to a disk. You can turn off future prompts for that extension if you click =
to clear the Always ask before opening this type of file check box.

NOTE: If a program associates itself with a new extension, that = extension
is treated as an "other" attachment until you add the extension to the =
"unsafe"
list. For example, if you install a program on your computer that uses =
files with an .xyz extension, whenever you open an attachment that has an
.xyz extension, the new program opens and runs the attachment. By default, =
the .xyz extension is not on the "unsafe" or Level 2 list, so it is treated
= as an "other" extension. If you want attachments with the .xyz extension
to = be treated as "unsafe," you must add the .xyz extension to the list of
= "unsafe"
extensions.=20
For additional information about the "Level1Add" registry key, click the
following article number to view the article in the Microsoft Knowledge
Base:=20
312834 OL2002: The "Level1Add" Registry Key Is Missing from Outlook 2002 =


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