How to Invite Others to Gmail. Google's free Web mail service, Gmail, provides you with easy access to your email and address book directly within a Web browser.

By default, official Google Calendar invitations will also appear in your Google Calendar itself, and you can view and respond to the invitation there instead of Gmail if you prefer.

Google is adding a new Calendar tool in Gmail web to make it easier and quicker for users to create, schedule and invite other users.

Whether it's a work update, a personal invitation, or an announcement, you'll want to send a group email. Entering every contact's email is time-consuming, and you might forget someone. To save ...

“Inbox by Gmail” Twitter handle says that each Inbox user will receive three invites so that they can invite their friends.