Sharing

In the console: Settings › Files & Sharing › Sharing

Whether people can share calendars, contacts and files with each other, and with how many.

Sharing Settings

Max Shares

Specifies the maximum number of sharees that can be added to a single shared item (calendar, address book or file)

A number. Default: 10. Name in the API: maxShares.

Allow Directory Queries

Whether authenticated users can query the directory via WebDAV and JMAP.

On or off. Name in the API: allowDirectoryQueries.