You can think of a smart folder as a saved search that continuously and automatically updates so that you don’t have to redo a search. Follow these next steps to create a smart folder in Outlook from a specific person.
Step 1:
Launch Outlook and expand the account you would like to create a smart folder for. At the bottom of each account tree, you’ll notice a Search Folders icon.

Step 2:
Right-click Search Folders in the account that you’d like to apply the search to and Click New Search Folder…
Step 4:
You will notice a From -> button at the bottom left of the window, in the space next to it, you can or type in the email adress or simply click the From -> button to choose from your directory.then click the OK button.
Step 5:
Click OK when you’re done setting up your Search Folder and its criteria. Note that you can change which mailboxes and calendars to search using the drop-down menu at the bottom.
Step 6:
Click on the Search Folder in order to view its content. Note that search folders don’t update live and you will have to refresh in order to repopulate them.
Step 7:
If you wish to rename your Smart Folder, simply right-click on the folder and select Rename Folder. You can now rename it to what ever you’d like!