Google Drive offers various features for collaboration including documents, presentations, spreadsheets, forms, and drawings. Users can share content by selecting "Send Form" and adding collaborators whose email addresses are inputted. Administrative control of shared files can be managed by selecting users from a dropdown menu to edit or remove their access. Sharing settings like permissions can be adjusted by selecting "Change" in the sharing settings menu. Online support is available through Google's help site, phone, and chat options to assist users with any questions.