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Different settings are available to change the workflow (see Workflow).
In addition to what is described below, you can define which documents (based on their status) should be included in the workflow. This is described in Roles and permissionsPermissions.
Locking:
Here you can define if locks expire and if so after how much time. A document with an expired lock will still appear as locked. Yet, another user can "steal" an expired lock.
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