Blog · 2026

How to unsubscribe from all emails in Outlook

Outlook, Hotmail and Live all have decent tools for dealing with one annoying sender. None of them help when the problem is two hundred of them. Here is what each option actually does, and what to use when you want the mail to stop rather than just disappear.

1. The built-in unsubscribe link

Open a marketing email in Outlook.com and look next to the sender name at the top. On messages that publish a List-Unsubscribe header, Outlook shows an unsubscribe link there. That header is a technical standard every legitimate marketing platform adds, and Outlook simply passes your request on to the address or URL the sender published in it.

This is the cleanest option, because it is a real opt-out rather than a filter. The limit is obvious: one sender, one message, one click at a time. It also only appears where Outlook recognises the header, so senders who leave it out are invisible to it.

2. Sweep, and why it is not unsubscribing

Sweep is Outlook's bulk clean-up tool. Select a message, choose Sweep, and you can delete everything from that sender, keep only the newest message, or delete anything older than a chosen age. You can also let it keep doing that automatically for future mail.

It is genuinely useful, but it is worth being clear about what it does not do. Sweep never contacts the sender. They keep sending, your address stays on their list, and the mail keeps arriving in a Microsoft data centre. You have hidden the symptom. If your goal is fewer emails rather than a tidier screen, Sweep is the wrong tool.

3. Rules, blocking and the junk folder

Under Settings you can create rules that move mail from a sender straight to a folder or to Deleted Items, and you can add addresses to the blocked senders list. Same caveat as Sweep: the sender never learns anything, and rules are brittle. Marketing platforms rotate sending addresses regularly, so a rule written for news@shop.com quietly stops matching when they switch to hello@e.shop.com.

Blocking has a real cost too. Once a domain is blocked, you also lose the order confirmations and password resets that come from it, and you will not be told that it happened.

4. Unsubscribe from every sender at once

The only way to clear a full mailbox in one go is a tool that reads the List-Unsubscribe header across all your mail and sends the opt-out to every sender simultaneously. This is a real opt-out, so it carries legal weight: under the GDPR (Article 21) senders must act without undue delay and within one month at the latest, and under CAN-SPAM within 10 business days.

This is what in-boxed does, and it works with Outlook, Hotmail and Live. You connect your account, it lists every newsletter and marketing sender it finds, you tick anything you want to keep, and the rest is opted out at once. Scanning is free, so you can see how many senders are actually in there before deciding anything.

What in-boxed can and cannot see

Worth knowing before you connect anything to your mailbox. in-boxed asks Microsoft for the Mail.ReadBasic permission, which is the narrow one: Microsoft itself excludes message bodies, previews and attachments from it. Reading your actual emails is not something in-boxed chooses not to do, it is something the permission does not allow.

The scan then runs entirely in your own browser. It talks to Microsoft Graph directly from the tab, so neither your mail nor your access token ever reaches our servers, and there is no database in which anything could be stored. You can open your browser's network tab while it runs and watch that for yourself. There is also no account to create, not even an email address.

Which one should you use

For one sender you dislike, use Outlook's own unsubscribe link. For a sender whose mail you want to keep receiving but not see, use a rule or Sweep. For an inbox where you have lost count, unsubscribing in bulk is the only option that scales, because it is the only one that stops the mail rather than moving it.

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