For your self-training needs on Google Apps such as Gmail, Google Sheet, Google Docs. Hangouts, Google Drive, Google Slides, Google Forms, Google Calendar...and more, please check this link:

Google Apps Training Center - Get help using your email, calendar, documents, and other Google Apps

  • DocsHow to create, edit, and share documents, spreadsheets, and presentations.
  • Drive: Access, organize, and share all your files from any device, anywhere.
  • GmailA guide to Google's powerful email environment.
  • CalendarA guide to getting yourself established with Google's calendaring application.
  • SitesDiscover how to quickly create web sites without knowing HTML.
  • GroupsHow to manage and participate in Google Groups.
  • Chat: Send instant messages to other Gmail users with the Google Chat gadget.
  • Contacts: Using Google Contacts at work or school
  • YouTube: YouTube Help Center
  • Chrome Sync: Learn how to sign into Chrome and enable Sync