Google CalendarのデータをOutlookと同期させたいとは思ってたんだけど、有料のソフトしかなくてねー。純正のが出てくれて安心して使えます。

Google Calendar Sync allows you to sync events between Google Calendar and Microsoft Outlook Calendar. You'll be able to determine the direction of information flow, as well as the sync frequency. Staying on top of your Google Calendar and Microsoft Outlook Calendar events has never been easier!

Google Calendar Sync: Getting Started