Outlook Spam Filter Not Working? Easy Ways to Fix It

When diagnosing why the Outlook Spam filter not working, it typically is a server-level instruction that overrides the local desktop configurations. When a custom rule is triggered, it executes its action, and the Junk filter never gets the chance to touch the mail. This error becomes annoying for the user and needs to be fixed. But what is the way? Read this technical blog carefully to learn about different ways users can resolve the issue “Outlook Spam Filter is not working”.

Ana Thompson from London asks: “I am experiencing PST corruption in Outlook along with spam filter issues. I need a reliable solution to recover my data and fix these problems. Any suggestions?”

Why Is My Microsoft Outlook Spam Filter Not Working?

An outdated Outlook version can be the reason for interference with proper spam detection and filtering performance. Take a look at the following other reasons:

• The Outlook’s spam filtering may be set to “No Automatic Filtering”, allowing suspicious messages through.
• Outlook automatically sends messages from the trusted Safe Senders list to your inbox, bypassing spam filtering.
• Also, the spam sender list may not be marked as blocked. Updating it can help prevent repeat spam emails.
• Certain custom inbox rules could be redirecting spam messages to your inbox.
• Errors within the existing Outlook profile may affect the proper junk email detection. 

Techniques to Fix Outlook Spam Filter Not Working

In this section of the blog, we’ll implement different techniques that will help resolve the spam filter issues. 

Technique 01: Update Junk Email Filter in MS Outlook

There is a built-in junk email protection level in Outlook that allows users to filter out suspicious messages. Ensure that it is not set to “No Automatic Filtering” or “Low”.

The following are the steps to resolve if the Outlook Junk filer not working:

1. Open the Outlook application and go to the Home tab.
2. After that, click on Junk and choose Junk E-mail Options.
3. In the Options tab, set the protection level to “high.”
4. Finally, press Apply and hit the Ok button to save the changes. 

Drawbacks: The protection set to “High” level may sometimes move the emails to the Junk folder. Users need to verify the Junk folder to avoid missing important emails manually. 

Technique 02: Upgrade Microsoft Outlook 

Updating the Outlook application will fix it with the latest patches, improve performance, and enhances spam-filter. Regularly updating MS Outlook can resolve the errors related to filtering and email protection.

Look at the steps to update the Outlook application:

1. In Microsoft Outlook, head to the File tab.
2. Then, click on the Office Account and check if there’s any update available.
3. If an update is available, press Update Options > Update Now. 
4. After that, install the latest update and restart Outlook.

Drawbacks: By updating Outlook, it will not resolve the server-side filtering issues. Also, if the Junk email protection is set to “Low” level, it will not fix the issue. 

Technique 03: Check the Safe and Blocked Senders List

If mistakenly the spam sender is added to the Safe Senders list, the emails will bypass the junk folder. Make sure to review and update the list.

If the Spam filter not working in Outlook, follow these steps:

1. Launch Microsoft Outlook on your system.
2. Then, head to the Home tab and go to Junk.
3. Next, choose the Junk E-mail Options and open the Safe Senders list.
4. Now, review the list, select the unknown addresses, and click on the Remove button.
5. After that, head to the Blocked Senders > Add the unwanted email address and press Ok.
6. Finally, hit the Apply button and click Ok.

Drawbacks: If the user is working with the work account, the administrative policies might change the junk settings. Adding many unknown addresses to the sender’s list will be a time-consuming process. 

Technique 04: Identify and Mark Emails as Junk in Outlook

Manually flagging the emails as Junk will help Outlook to improve its spam detection over the period of time. When the user flags the email as Junk, Outlook will add it to the Junk folder and the Blocked Senders List. 

Let’s look at the step-by-step process to begin:

1. Start by opening the Outlook application.
2. Then, go to the Inbox and choose the unwanted email you want to mark as junk.
3. After that, right-click on the email and click on Junk.
4. Next, choose Block Sender or Junk.
5. The chosen email will automatically move to the Junk Email folder. 

Drawbacks: This process will not prevent the first unwanted email. It will only work after the spam reaches the inbox. Also, the server-side policies may control the filtering behaviour. 

Technique 05: Set Up a New Outlook Profile

If the Outlook Junk filter not working, try setting up a new Outlook profile. Generating a new Outlook profile, it will not affect the mailbox data. 

Use the following instructions to build a new Outlook profile:

1. First, close MS Outlook completely.
2. Then, open the Control Panel and click on Mail > Show Profiles.
3. Now, click on Add to create a new Outlook profile.
4. After that, enter the name of the profile and click on the Ok button.
5. Use the on-screen instructions and choose Prompt for a profile to be used.
6. At the end, click Ok, restart Outlook, and choose the new profile to open Outlook.

Drawbacks: If the spam filtering is controlled by the server-side, the organizational policies will affect the filtering. Also, in the end, while restarting, choosing the new profile from many Outlook profiles might create confusion. 

Technique 06: Easily Fix Outlook Spam Filter Not Working Via an Automated Tool

The Cigati Outlook PST Repair Tool offers a comprehensive solution to repair the Outlook PST file. It also safeguards the mailbox data while maintaining the data integrity and structure. This tool can handle PST files of unlimited size and retrieve all the mailbox components. Also, it can export the recovered data into multiple formats for flexibility. In addition to this, it provides a preview and filtering options for targeted recovery. Furthermore, the different repair modes enhance the accuracy and efficiency.

Simple and quick steps to fix Microsoft Outlook Spam Filter not working:

1. Download and launch the tool on your local system. 
2. Then, add the PST File that is corrupted, and you wantto repair.
3. Next, choose the PST Recovery Mode. It depends on the level of corruption, such as Standard, Advanced, or Deep.
4. Here, users can preview all the targeted emails after the scanning process of a PST file.
5. Now, select PST as a File Format and set the destination path to download it.
6. Lastly, click the Save Button.

Conclusion

Several factors could be responsible for the error, “Outlook Spam Filter Not Working”. In most cases, spam filtering problems are often tied to software-related malfunctions. Even so, senders should still focus on maintaining proper email standards and minimizing the messages flagged as spam. By following the above strategies, users can resolve the spam filter issue. Also, it sometimes corrupts the PST files, for which the automated tool, Cigati Outlook PST Repair Tool, is recommended.

You May Also Read: Why are my Emails Going to Spam?

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