New Outlook · Sent-mail rules
For two decades, classic Outlook had a quiet power feature: when you created a rule, you could choose "Apply rule on messages I send." Mail you sent to a client filed itself into that client's folder. Sent and received mail for a project lived together. Your Sent Items folder stayed clean without you touching it.
New Outlook for Windows, Outlook on the web, and Outlook mobile removed it. Their rules engine fires only on mail you receive. There is no setting to find, no toggle you're missing — rules for sent messages simply do not exist in New Outlook. Threads asking for it back have collected dozens of "I have this question too" votes on Microsoft's own forums, and the official answer, year after year, has been a link to the feedback portal.
In classic Outlook (the desktop program many businesses still run), the Rules Wizard offers two starting points: rules that check messages when they arrive, and rules that check messages after sending. That second path is the one that never made the jump. In New Outlook, Settings → Mail → Rules builds incoming-mail rules only. Anything you send lands in Sent Items and stays there until a human drags it somewhere.
If you keep a folder per client, per project, or per matter — the filing style of consultants, lawyers, real-estate agents, executive assistants, and anyone who answers to "where's that email you sent them?" — this removal broke your workflow.
There is one native workaround, and in fairness it works. Here it is in full, so you can decide if it's enough:
The costs, stated plainly: the filed message is an unread duplicate, not the true item from Sent Items, so your folder holds a copy addressed to yourself while the original still sits in Sent Items. You must remember the BCC on every single message, from every device. And per-client filing means one rule per client with conditions that guess at the right mail. Many people run this for a while and go back to dragging.
I'm a retired network architect. I filed sent mail by rule for twenty years, and after enough months of waiting for Microsoft I built the missing piece myself. Founder disclosure, plainly: what follows describes my own product, and the free workaround above is complete on purpose — if it covers your needs, use it and keep your money.
SentRules restores "apply rule on messages I send" as a service that works with New Outlook instead of against it:
| Do nothing | BCC yourself (free) | SentRules | |
|---|---|---|---|
| Sent mail filed automatically | No | Copy only | Yes — the real sent item |
| Works from phone | — | If you remember the BCC | Yes, automatically |
| Effort per email | Drag by hand | Remember the BCC | None |
| Cost | Your time | Free | $4.99/mo or $39.99/yr, 14-day free trial |
Try the rule you've been missing. 14 days free — nothing charged until day 15, cancel from the billing portal in two clicks.
Start free trialWant the complete menu of options — including staying on classic Outlook and Power Automate — with the honest costs of each? See the full guide: Rules for sent emails in New Outlook: every option that works.