Hey!
You can also use Akruto for syncing iPhone calendar with Outlook on your laptop. It works with all types of Outlook data including notes that can't be transferred with iCloud since its last update.
iTunes can help you
1. Open iTunes and sign in.
2. In iTunes, in the source list, click the entry for your iPhone.
3. Click the Info tab.
4. Under Calendars, click Sync calendars from, and then click Outlook.