Turn off rules in Outlook

   1.   Do one of the following:

• On the File tab, in the Info view, click the Manage Rules & Alerts button:
  
• On the Home tab, in the Move group, click Rules and then select Manage Rules & Alerts...:
  

   2.   On the E-mail Rules tab, under Rule, clear the check box for the rule you want to turn off:

See also this tip in French: Désactiver les règles dans Outlook.