Updated at 1/22/2016:
Since Google Calendar Sync isn't working for a long time. I've found this tool (gSyncit) is quite simple and useful. A small amount of money saved me lots of time. I'm only using it to sync all events from Outlook to my Google Calendar. But actually you can do a lot of more on it.
Since Google Calendar Sync isn't working for a long time. I've found this tool (gSyncit) is quite simple and useful. A small amount of money saved me lots of time. I'm only using it to sync all events from Outlook to my Google Calendar. But actually you can do a lot of more on it.