To add Google Calendar to Windows 8’s Calendar app, do the following: Once you are logged into, you are done — Google Calendar is now accessible via Windows 8 Calendar app!
Do take note, after the initial login, you may need to wait for Calendar app to sync your Google Calendar data before you see it.
Once synced, you can use Google Calendar via Calendar app — even while offline (although if you are offline your data won’t be synced until you are online again).
For example, you can easily create an event in Calendar app and it will be updated automatically to your web Google Calendar account, and vice versa – changes made in your Google Calendar account sync with the Calendar app.
If you are using Windows 8, there is a pre-loaded Windows Store app called “Calendar” to help you sync calendar from many services.
In this article, I will show you how to add/use Google Calendar in the Windows 8 Calendar app.
However, if you just need to use Mail app to view email from Gmail, you can do following steps.
If you don’t want to turn off a calender service but just want to be able to differentiate between it and others, you can also change the color of each calendar account.I’ll show you how to do this in the second half of this article.