You can have access to all files through Windows File Explorer. Here is the best part; that your will file will be automatically synchronized to your OneDrive. You may be wondering now that more than one person's accounts can be made or not. Well! it is sad to inform you that your two accounts i.e. one personal and one business can be made& but two different personal accounts cannot be connected on the same PC& as it will give you an error message on your window.