How To Link Google Drive With Outlook For Storing Files/Attachments
For uploading and storing files/attachments when using Outlook.com, the default online storage is OneDrive. It however does have the option of adding other cloud storage services like Google Drive.
Here is how :
Login to Outlook and click on the gear icon on top right. Then choose View Full Settings.
Then, choose Mail > Attachments.
Here, the cloud storage services linked to Outlook will be listed...