Lightning for Gmail: General Availability and Improved Efficiency

Lightning for Gmail is now generally available, and with our latest features, your team gets a boost in productivity. And reps get to relate emails to Salesforce before sending them. Crafting emails is faster with the use of Lightning email templates. If you’re using Group or Professional editions, Lightning for Gmail is available within 24 hours after the Summer ’17 release. Otherwise, there’s no wait. You can manage Lightning for Gmail from both Lightning Experience and Salesforce Classic.
Available to be managed from both Salesforce Classic and Lightning Experience
Available in: Group, Professional, Enterprise, Performance, Unlimited, and Developer Editions