Organizing and accessing contact information in Outlook.com
Hi MikkoHa,
Thank you for posting your concern here in Microsoft Community Forum. It's my pleasure on helping you how to remove Google contacts on your Microsoft account.
As our initial troubleshooting step, we suggest that you remove your Google account in Outlook.com then wait for 24-48hrs. To do so, please refer to the steps below:
How to manage linked services (ie. Facebook, Google and LinkedIn)
1. Sign in to https://account.live.com.
2. Click Permissions.
3. Click Manage apps and services. 4. Click Edit under the connected service that you want to remove your Microsoft account from. Ex. Google
5. Click Remove this connection completely.
6. Click Remove.
-OR-
1. Sign in here https://profile.live.com/cid-e69224bfe91692c9/services/?biciid=accounts&view=manage
2. Click Edit under the connected service that you want to remove your Microsoft account from. Ex. Google
3. Click Remove this connection completely.
4. Click Remove.
Don’t hesitate to update this thread if you have further questions.
Thank you!