In Office SharePoint Server 2007, you can define workflow tasks as bulk editable, and provide a custom InfoPath form view to enable users to edit workflow tasks as a group.
Bulk editable tasks are workflow tasks that can be edited as a group. All the tasks must be of the same task type, and from the same workflow association. For example, a user might want to mark all tasks of a certain type as 'complete' for a given workflow association.
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