My boss deleted the user over six months ago and now he wants the notes back that were entered by that user. I told him I don't see how that information could be retrieved since the ACT backups are done once a week and only kept for six weeks. He's out of luck isn't he?
Not from that long ago... especially as a Compress/Reindex (which I assume you run) will remove any deleted items from the database itself. even just using the database can over write parts of the table freed by deleting items.