Comment virer cette protection de outlook ? Il m'interdit l'accès des .exe, .vbs, ... !

Dites moi qu'il y a moyen de virer cette protec !!!!!  

C'est pas dans Outils Options Sécurité / Sécurité des pièces jointes ?

Non

voici la solution ( en direct du support microsoft )
 
1- Exit Outlook 2002, if running.
 
2- Click the Windows Start button, and then click Run.
 
3- In the Open box, type regedit, and then click OK.
 
4- Check to see if the following key exists. If it does, skip to step 5.  
HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Security
If the key path does not exist, create the key path. To create the key path, navigate to and select the key:  
HKEY_CURRENT_USER\Software\Microsoft
    a- Click the Edit menu, click New, and then click Key.
    b- Type Office and press ENTER.
    c- Click the Edit menu, click New, and then click Key.
    d- Type 10.0 and press ENTER.
    e- Click the Edit menu, click New, and then click Key.
    f- Type Outlook and press ENTER.
    g- Click the Edit menu, click New, and then click Key.
    h- Type Security and 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 would like to   access with Outlook 2002 as follows:
 
exe
 
To specify multiple file types, use the following format:
 
.exe;.com
 
10- When finished, click OK.
 
11- Exit the Registry Editor program.
 
12- Restart the computer.
 
When you start Outlook 2002, the file types specified in the Windows Registry are accessible.
 
voili

Lien vers l'article quoté par waltzx6r :
 
http://support.microsoft.com/suppo [...] 0/4/97.asp
 
Cette solution est prévue pour Outlook 2002, pour Outlook 2000 il faut créer la clé sous ...\Office\9.0\... au lieu de ...\Office\10.0\...