You can delete specific items from the archives.
See About deleting items from the archives.
To delete items from the archives
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In the task pane, under Archive Tasks, click Delete from archives.
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In the Properties pane, under Settings, click Network and Security.
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In the Properties pane, under Settings, click Pre/Post Commands.
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To send notification when the job completes, in the Properties pane, under Setttings, click Notification.
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If you want to run the job now, click Run Now. Otherwise, in the Properties pane, under Frequency, click Schedule to set the scheduling options that you want to use.
See Schedule options.