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Office 365 Clutter Feature – How to Disable It?

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Published By Karen Chard 
Rollins Duke
Approved By Rollins Duke
Published On June 3rd, 2025
Reading Time 5 Min Read

Are you missing important emails in your Office 365 inbox? then you are not alone. Many users are facing the problem where the crucial messages are moved by the Clutter feature. Therefore, in this article, we will help you how to disable Clutter in Office 365 with proper instructions. But, first let’s learn about the Clutter feature.

What is Office 365 Clutter?

In Microsoft 365 especially in Outlook, there is a feature called Clutter. It is used to manage your emails by moving the low-priority emails to a separate folder called Clutter folder. The feature uses machine learning to analyze your email habits and then move your emails. With the help of this you can reduce your inbox.

Clutter is different from the Junk email folder as it moves the less important emails to another folder and does not block the spam mails. Although it helps you to manage your inbox, there are some cases where it misidentifies important email messages and leads to missed messages and confusion. As a result, many users want to disable their clutter feature.

How to Turn Off Clutter in Microsoft Outlook 365?

To disable the clutter is not that difficult even from Office 365. If you have Office 365 administration and Outlook on the web, you can turn off the feature. But, if you have not, then use the PowerShell to do that. We are going to explain each manual method with clear steps. So, without wasting time let’s follow the steps to disable clutter in Office 365.

Turn Off Clutter from Outlook Web App

  1. First go to the Outlook Web App in your browser and sign in with your Office 365 credentials.
  2. Click on the gear icon to open the settings menu.
  3. Scroll down to quick settings and select View all Outlook settings.
  4. Now, click on the Mail option and then the Layout button.
  5. In the Clutter section, uncheck the Separate items identified as Clutter box. Lastly, save the changes.

If you have the Outlook application installed in your program then follow the next method.

Disable Clutter from Office 365 Administrator

  1. First, you have to login to the Microsoft 365 administrator and go to the Settings icon.
  2. Search the clutter option and click on the Clutter button.
    click clutter option
  3. Check the Separate items identified as clutter and hit the Save button.
    disable clutter feature

After that the clutter folder will be replaced to focus inbox. These are simple situations, but if you don’t have the permissions. Then, you can use PowerShell. Follow the next steps properly.

How to Disable Clutter in PowerShell?

  1. Run Windows PowerShell on your system and connect to the Office 365 using this scripts
    $UserCredential = Get-Credential
  2. After running this command the PowerShell will ask the credential. Provide the Office 365 account details.
  3. Next, type these commands:
    $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirectionImport-PSSession $Session -DisableNameChecking
  4. With this, your Microsoft 365 account is connected with PowerShell. To disable the clutter use this command
    • For single Mailbox: Set-Clutter -Identity “user name” -Enable $false
    • For multiple Mailboxes: $users = “user name 1″,”user name 2” ForEach ($user in $users) {Set-Clutter -Identity $user -Enable $false}
    • For all Office 365 user Mailboxes: Get-Mailbox -ResultSize Unlimited | Set-Clutter -Enable $false

So, these are the ways to disable clutter in Office 365, they are free to use. However, turning off the feature has a hidden risk which we are going to explain below.

What Will Happen After Disabling Clutter?

Although tuning off the clutter gives you full control over your inbox. But, it comes at a price. When the clutter is disabled, every incoming email will be stored in your main inbox. including crucial emails and low important messages. Because of this, now you have to focus more on inbox management. If you don’t then you will get issues, such as.

Issues After Turn Off Clutter

  • After disabling the clutter, your inbox will quickly become full with the newsletter, notification, promotional emails and any unwanted messages.
  • When your mailbox becomes oversize then, it becomes difficult to search important emails or notice crucial messages.
  • You have to use manual rules or Focused inbox to organize data which works limited.
  • Managing your mailbox become time-consuming, because you will spend hours in opening, reading, deleting, or organizing your emails by yourself.
  • There is a chance of accidental deletion of emails when you are managing your mailbox on your own.

So, in order to avoid these problems, you backup your important Office 365 emails and save it to a secure place. For this, there is a perfect solution that is very helpful.

Professional Tool to Protect Microsoft 365 Emails

On the internet you will find several professional softwares that can save your O365 data very easily. Among them is RecoveryTools Office 365 Backup Tool, a specialized software that can effortlessly download your Microsoft 365 account with attachments, attributes and other data. In this software you will get a list of saving options which you can choose according to your requirements. The program is available on both Windows as well as Mac OS.

In Conclusion

Clutter feature is used to automatically move your low-priority emails, but it also moves crucial messages. That’s why, in this article, we learned how you can disable clutter in Office 365. We provided different ways to turn off the clutter with simple steps. So, you can easily follow them. But, disabling them also increases your inbox mailbox size. Which is a concerning matter. But, don’t worry, if you use the professional software then you can easily manage your mailbox.