In Microsoft Outlook, creating a rule that files all mail from a specific address to a certain folder is easy. If you don't already have a folder set up for this purpose, create a new folder for the individual's email by right-clicking your inbox folder and selecting New Folder.
Instructions in this article apply to Outlook 2019, 2016, 2013, 2010, 2007; Outlook for Office 365; and Outlook on the web.
How to Send Emails to a Folder in Outlook 2019 and 2016
To send messages from a particular sender to a designated folder:
Open an email from the sender whose messages you want to filter.
Go to Message and select Rules > Create Rule.
In the Create Rule dialog box, select the From [sender] check box.
In the Do the following section, select the Move the item to folder check box.
In the Rules and Alerts dialog box, choose the folder where incoming messages from the sender will be moved.
To create a new folder, select New, enter a name for the folder, and select OK.
Select OK when you're done. New emails you receive from the specified sender are stored in the folder you selected.