So, let’s talk basics. A user, by any means, is an individual using Instagantt by having provided an email address.
As a user, you will have access to:
Members refer to the number of users invited to collaborate on a given project or set of projects. You can have multiple and different members, working on different workbooks.
When working on a given project, you will be able to assign tasks and sub-tasks to any team member involved in your project.
As members are considered users, an email address will be required prior to becoming a team member.