Sharing rules
With sharing rules, you are in effect setting automatic extensions to your Organization-Wide Sharing Defaults settings for particular sets of users. As shown in the following screenshot, this can be considered as opening up visibility and access to records for those users.
Sharing rules apply to:
All new and existing records owned by the specified role or group members
Both active and inactive users
Sharing rules extend the access specified by OWDs and the role hierarchy.
Note
Sharing rules can never be stricter than your OWDs settings and allow wider data access for the included users or groups of users. To define sharing rules, navigate to Setup | Security Controls | Sharing Settings. Now scroll down to the lower part of the page to reveal the Sharing Rules sections.
The following screenshot shows the Sharing Rules page where there are sections to set the sharing rules for the various standard objects within the application, such as Lead, Account, and Contact, as well as any custom...