By sharing E-Mails, contacts, appointments and tasks with read or edit access in the app, you can co-operate with other users or external partners. There are the following options:
Share data for other users or external partners with read or edit access.
Access data shared with you by other users.
Manage your shares by adding new users, removing users or changing permissions.
Notes:
The following descriptions show how to share E-Mails, contacts, appointments or tasks. E-Mails can only be shared with internal users, not with external partners. In order to share files and folders in the Drive app, use the methods described in 9.6: Sharing.
When sharing items, internal users or external partners are granted certain permissions for the shared data. Information on permissions can be found in 11.2: Permissions.