Rule to display mail from somebody

In Outlook for Microsoft 365 you have two ways to create this rule:

First way: a handful of ways to create a rule

To use this way, you should have a message from interested person:

   1.   Select a message from interested person.

   2.   On the Home tab, in the Move group, click Rules and then select Create Rule...:

   3.   In the Create Rule dialog box:

• In the When I get email with all of the selected conditions group, check the From *** checkbox (Outlook for Microsoft 365 displays the sender from the selected message)
• In the Do the following group, check the Display in the New Item Alert window check box and/or the Play a selected sound check box and choose the sound using the Browse... button.

To use another options, you can click the Advanced Options... button and use Rules Wizard.

Second way: use the Rules Wizard

To create a rule using the Rules Wizard, do the following:

   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.   In the Rules and Alerts dialog box, click the New Rule... button:

   3.   Choose the Display mail from someone in the New Item Alert Window option, click Next >:

   4.   Choose the condition from people or public group and click people or public group in the Step 2 text box:

   5.   Choose the address of your boss (for example) and then click Next > to choose your action.

   6.   Choose display a specific message in the New Item Alert window in Step 1 and click specific message in Step 2:

Enter the text in the Alert Message dialog box, click OK and click Next >.

   7.   You probably don't want any exceptions, so click Next > again, name your rule, and click Finish.

See also this tip in French: Règle pour afficher des courriers de la personne spécifique.