Yes, Centrium provides bulk actions for selected list items. The fields that can be changed differ based on the list you have open. Fields available for bulk edit:
-visible to - change who can see selected items
-type - change task, contact, deal or project type
-due date - for tasks, deals and projects you can modify the due date.
Bulk edit action is available on lists in actions menu, to make it active you need to select some items with checkboxes on the lists:
After you select some items, click the "Actions" menu, and pick the "Edit selected" option, you will see a dialog that allows you to pick the fields that you want to change:
Pick the right values for the changes and continue by pressing the "Update" button. The selected records will be changed after the action finishes. Remember to refresh the page if you want to see the changed values on your list.