Here's what it says about Wscript.exe in the Help file I have:
To run scripts using the Windows-based script host (Wscript.exe) You
can run scripts with the Windows-based script host in the following
ways:
By browsing in Windows
Browse to the folder containing the script you want to run and
double-click it. Script files can be listed in My Computer, Windows
Explorer, the Find window, the Start menu, or on your desktop.
By using the Run command
Click Start, and then click Run. In Open, type the name of the Windows
Host executable file (Wscript.exe), followed by a space, then the full
path name of the script you want to run. Be sure to include the file
name extension of the script file. Click OK to start the script.
From a command prompt window
At the command prompt, type the name of the Windows Host executable
file (Wscript.exe), followed by a space, then the full path name of
the script you want to run. Be sure to include the file name extension
of the script file. Press Enter to start the script.
Notes
- Windows scripts are files with the following file name extensions:
.wsf, .vbs, .js.
- If you double-click a script file whose extension
has not been associated with Wscript.exe, the Open With dialog box
appears. Select Wscript.exe, then select Always use this program to
open this file type. This registers Wscript.exe as the default script
host for files of this file type.
- You can use the Windows Script Host
Settings dialog box to set global scripting properties for all scripts
that Wscript.exe runs on the local computer.
- You can set properties
for individual scripts. See Related Topics for information about how
to do this.
- You can also use Windows Script Host to create .wsf
script files, with which you can call multiple scripting engines and
perform multiple jobs, all from one file.
Here's what it says about Cscript.exe:
Using the command-based script host (CScript.exe)
Cscript.exe is a
command-line version of the Windows Script Host that provides
command-line options for setting script properties.
With Cscript.exe, you can run scripts by typing the name of a script
file at the command prompt. Like Microsoft Internet Explorer, Windows
Script Host serves as a controller of Windows Script compliant
scripting engines, but Windows Script Host has very low memory
requirements. Windows Script Host is ideal for both interactive and
non-interactive scripting needs, such as logon scripting and
administrative scripting.
Windows Script Host supports scripts written in VBScript or JScript.
When you start a script from your desktop or from the command prompt,
the script host reads and passes the specified script file contents to
the registered script engine. The script engine uses file extensions
(that is, .vbs for VBScript and .js for JScript) to identify the
script. As a result, you do not need to know the exact programmatic
identifier (that is, the ProgID) of the script engine. The script host
maintains a mapping of script extensions to programmatic identifiers,
and uses the Windows XP association model to start the appropriate
engine for a given script.
Update:
Here's a registry file called "FixVBSFileAssociationsXP.reg" which will fix up the file assocations for you on XP. A different one would be needed for Win 7.
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.reg]
@="regfile"
[HKEY_CLASSES_ROOT\.reg\PersistentHandler]
@="{5e941d80-bf96-11cd-b579-08002b30bfeb}"
[HKEY_CLASSES_ROOT\regfile]
@="Registration Entries"
"EditFlags"=dword:00100000
[HKEY_CLASSES_ROOT\regfile\DefaultIcon]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,72,00,65,00,67,00,65,00,64,00,69,00,74,00,2e,00,65,00,78,00,65,00,\
2c,00,31,00,00,00
[HKEY_CLASSES_ROOT\regfile\shell]
[HKEY_CLASSES_ROOT\regfile\shell\edit]
[HKEY_CLASSES_ROOT\regfile\shell\edit\command]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,4e,00,4f,00,\
54,00,45,00,50,00,41,00,44,00,2e,00,45,00,58,00,45,00,20,00,25,00,31,00,00,\
00
[HKEY_CLASSES_ROOT\regfile\shell\open]
@="Mer&ge"
[HKEY_CLASSES_ROOT\regfile\shell\open\command]
@="regedit.exe \"%1\""
[HKEY_CLASSES_ROOT\regfile\shell\print]
[HKEY_CLASSES_ROOT\regfile\shell\print\command]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,4e,00,4f,00,\
54,00,45,00,50,00,41,00,44,00,2e,00,45,00,58,00,45,00,20,00,2f,00,70,00,20,\
00,25,00,31,00,00,00
Here's a version called FixVBSFileAssociationsVista.reg
for Vista and Window 7, which might work on Windows 8, too, but use at your own risk (back up your registry first, if possible):
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.VBS]
@="VBSFile"
[HKEY_CLASSES_ROOT\.VBS\PersistentHandler]
@="{5e941d80-bf96-11cd-b579-08002b30bfeb}"
[HKEY_CLASSES_ROOT\VBScript]
@="VB Script Language"
[HKEY_CLASSES_ROOT\VBScript\CLSID]
@="{B54F3741-5B07-11cf-A4B0-00AA004A55E8}"
[HKEY_CLASSES_ROOT\VBScript\OLEScript]
[HKEY_CLASSES_ROOT\VBSFile]
"FriendlyTypeName"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,\
00,6f,00,6f,00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,\
32,00,5c,00,77,00,73,00,68,00,65,00,78,00,74,00,2e,00,64,00,6c,00,6c,00,2c,\
00,2d,00,34,00,38,00,30,00,32,00,00,00
@="VBScript Script File"
[HKEY_CLASSES_ROOT\VBSFile\DefaultIcon]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,57,00,53,00,\
63,00,72,00,69,00,70,00,74,00,2e,00,65,00,78,00,65,00,2c,00,32,00,00,00
[HKEY_CLASSES_ROOT\VBSFile\ScriptEngine]
@="VBScript"
[HKEY_CLASSES_ROOT\VBSFile\ScriptHostEncode]
@="{85131631-480C-11D2-B1F9-00C04F86C324}"
[HKEY_CLASSES_ROOT\VBSFile\Shell]
@="Open"
[HKEY_CLASSES_ROOT\VBSFile\Shell\Edit]
[HKEY_CLASSES_ROOT\VBSFile\Shell\Edit\Command]
@=hex(2):22,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,4e,00,\
6f,00,74,00,65,00,70,00,61,00,64,00,2e,00,65,00,78,00,65,00,22,00,20,00,25,\
00,31,00,00,00
[HKEY_CLASSES_ROOT\VBSFile\Shell\Open]
[HKEY_CLASSES_ROOT\VBSFile\Shell\Open\Command]
@=hex(2):22,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,57,00,\
53,00,63,00,72,00,69,00,70,00,74,00,2e,00,65,00,78,00,65,00,22,00,20,00,22,\
00,25,00,31,00,22,00,20,00,25,00,2a,00,00,00
[HKEY_CLASSES_ROOT\VBSFile\Shell\Open2]
@=hex(2):4f,00,70,00,65,00,6e,00,20,00,26,00,77,00,69,00,74,00,68,00,20,00,43,\
00,6f,00,6d,00,6d,00,61,00,6e,00,64,00,20,00,50,00,72,00,6f,00,6d,00,70,00,\
74,00,00,00
"MUIVerb"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,\
6f,00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,\
00,77,00,73,00,68,00,65,00,78,00,74,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,\
34,00,35,00,31,00,31,00,00,00
[HKEY_CLASSES_ROOT\VBSFile\Shell\Open2\Command]
@=hex(2):22,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,43,00,\
53,00,63,00,72,00,69,00,70,00,74,00,2e,00,65,00,78,00,65,00,22,00,20,00,22,\
00,25,00,31,00,22,00,20,00,25,00,2a,00,00,00
[HKEY_CLASSES_ROOT\VBSFile\Shell\Print]
[HKEY_CLASSES_ROOT\VBSFile\Shell\Print\Command]
@=hex(2):22,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,4e,00,\
6f,00,74,00,65,00,70,00,61,00,64,00,2e,00,65,00,78,00,65,00,22,00,20,00,2f,\
00,70,00,20,00,25,00,31,00,00,00
[HKEY_CLASSES_ROOT\VBSFile\ShellEx]
[HKEY_CLASSES_ROOT\VBSFile\ShellEx\DropHandler]
@="{60254CA5-953B-11CF-8C96-00AA00B8708C}"
[HKEY_CLASSES_ROOT\VBSFile\ShellEx\PropertySheetHandlers]
[HKEY_CLASSES_ROOT\VBSFile\ShellEx\PropertySheetHandlers\WSHProps]
@="{60254CA5-953B-11CF-8C96-00AA00B8708C}"
Best Answer
Change the filename extension from
EML
toMHT
, then try to open it in Internet Explorer. These extensions represent the same format.