Detaching means removing the link between a file and the record it was attached to. The file is not deleted from the server and can be re-attached.Deleting an attachment removes it from the server. Before you can delete an attachment, you must detach it.
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3 Click the Detach check box for the attachments you want to detach.
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4 Select the Delete check box for each file you want to delete.
5 Click Delete. Voyager asks you to confirm deletion.
6 Click OK.