Thank you for contacting Syncfusion support.
Currently we don’t have an option to access provider for the Google drive & One drive files by using FileExplorer. We have already considered this request as feature in our side and we have added this feature request to our database. You can now track the current status of this feature request in the following link,
At the planning stage for every release cycle, we review all open features and identify features for implementation based on specific parameters including product vision, technological feasibility, and customer interest. We will let you know when this feature is implemented.
You can also communicate with us regarding the open features any time using our Feature Report page.