The outlook is very convenient especially when you have multiple email accounts. If you like using Outlook, you can set Outlook as your default program for emails and contacts. Please see below for details:
Step 1: Click the "File" tab in the ribbon;
Step 2: Click "Options" from the left menu;
Step 3: Click "General" in the "Outlook Options" window;
Step 4: Move down to the "Set up options" section, check "Make Outlook the default program for Email, Contact, and Calendar";
Step 5: Click "OK" at the bottom to close the window.