Working in groups have a lot of advantages and benefits.You will be able to collaborate and communicate in a better and efficient manner that way. Maintaining group members in outlook is important in order to assure consistent performance for every project. There will be a lot of projects happening in your organization along with time. The members of the group will also keep changing. Thus, it is important to add or remove members from groups as per changing needs.
Organizations need to connect with a lot of people from in and out of their system. The priority here is to get things done, communicate easily and to collaborate in the best way possible. Guest access in Office 365 groups is something that delivers justice to organizations which want to connect their in-house team with partners, consultants or vendors. They can be granted access as a guest, and thus providing access to group notebook, conversations, files, calendar invitations etc.