How do I sync with Microsoft Outlook?
Syncing Outlook to your Google Calendar can be done in several ways and it will depend on your version of Outlook. This video shows the simplest method https://www.youtube.com/watch?v=2Xlfw8FE5OU
If that method isn't compatible with your version of Outlook there are many great third-party applications that will make it possible.
One of the best solutions we have come across is GSyncit. It has worked seamlessly for many of our users and we’ve heard positive feedback about it’s ease of use. You can download it here http://www.fieldstonsoftware.com/software/gsyncit4/
If GSyncit isn’t your thing or you are looking for a free alternative just Google ‘Sync outlook to google calendar’ and you’ll have plenty of options to try.