that wasn't for per email.
you could also try this:
-Open a message from the sender or newsletter you'd like cleaned up automatically.
-Click Sweep in the Outlook.com toolbar.
-Select Schedule cleanup from the menu that comes up.
-Now select: Only keep the latest message from this sender to have Windows Live Hotmail automatically delete all old emails when the latest issue arrives.
Delete all messages older than __ days to have all emails from the sender kept for up to 60 days.
-Move all messages older than __ days to <select> and pick a folder for filing under <select> to make Windows Live Hotmail archive old issues automatically.
Optionally, check Do this for everything in the ___ category to apply your rule to all emails classified as Newsletters, for example, by Windows Live Hotmail.
If at first you don't succeed; call it version 1.0