Why is Google Access Denied?

If you encounter this access denied error on Google Drive when you sign in with multiple accounts, you have to first make sure that you are signed in from the correct Google account. And you can try to sign out all the other accounts and sign in with the Google account which has the files you need to operate.

For More Information Please Refer: https://www.imobie.com/cloud-tips/google-drive-access-denied.htm