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Clutter is an email assistant in Office 365 designed to help you focus on the most important messages in your inbox. It uses machine learning to de-clutter your inbox by moving lower priority messages out of your way and into a new Clutter folder. Ultimately, Clutter removes distractions so you can focus on what matters most.

How Clutter works

Clutter is using Microsoft’s latest feature Office Graph that learns from your actions to determine the messages you are likely to ignore. It monitors the emails coming through and learns which emails you read every so often and moves them into the Clutter folder. As you keep using Clutter, it learns from your prior actions with similar messages, and assesses things like:

The information Clutter learns from each user’s actions are only applied to that user’s experience and are not shared with anyone else.

Watch this video to learn how clutter works.

Getting started with Clutter

As a member of University of Dundee, Clutter is enabled on default for your inbox. Clutter begins taking actions once it has sufficiently learned your work style and can confidently begin working for you. Clutter is best suited and most effective for those who tend to pile up messages in their inboxes. It also respects your existing email rules, so if you have created rules to organize your email, those rules continue to be applied and Clutter won’t act on those messages.

Working with Clutter

The less important emails in your inbox (newsletters, offers etc.) are simply moved to the Clutter folder and remain there until you have time to review the items—if you choose to. You can proactively train Clutter by using the ‘Mark as clutter’ and ‘Mark as not clutter’ options or simply move the items to the Clutter folder. You can do this by right-clicking the item.

If you find items in your Clutter folder that shouldn’t be there, train Clutter by moving the message back to your inbox. As you keep using Clutter more and more, it will learn and adapt to your new patterns, as well as notify you of its activity in your inbox.

Frequently Asked Questions

How long does it take for Clutter to ‘learn’ your new saved patterns?

It may take Clutter a day or two to fully adapt to those changes.

All my important emails are in the Clutter folder! Why?

Clutter is learning the more you use it. If you are ignoring emails from a specific user or email address, they will start moving to the Clutter folder.

To prevent that from happening, right-click on the desired item and select “Mark as not clutter”. Now your emails from this specific sender should be coming straight to your inbox. ‌







Can I disable Clutter? How?

You can turn Clutter off anytime in the Outlook Web App.

  1. Follow the steps at the beginning of this document to sign in to the Outlook Web App. Then, go to Settings > Options > Mail > Automatic processing > Clutter.
  2. Select Don't separate items identified as Clutter, and then click Save.

Note: The Clutter folder remains in Outlook after you turn off the Clutter feature. If you don’t want the folder listed under your Mailbox, move the emails from Clutter to other folders, as appropriate, and then right-click the Clutter folder and choose Delete Folder.‌