Steps to set "Always BCC Myself"
From the home tab, go to the Quick Steps group, and click Create New
Then, you’ll see the “Edit Quick Step” dialog box, you can fill in the details in it
Then, under “Actions” choose “Reply” from the drop-down menu
Now, click on the Show Options button.
Click on the “Add BCC” link
Then, add your email address and complete the process
If you want to know how to add BCC in Outlook then click the link to read the blog.