Fix Outlook Cleanup Not Working Issue – Quick Solutions

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Experiencing problems with the Outlook Cleanup Feature in Outlook? Well! You are not alone. An organized Outlook mailbox plays a crucial role in managing emails efficiently. In this blog, we will cover multiple solutions to resolve the Outlook cleanup not working issue. And, also present a recommended Cigati Outlook Duplicate Remover. The tool acts as an alternative to Outlook’s built-in Cleanup feature. We will also walk you through various manual troubleshooting methods that are cost-effective. Now, keep on reading the blog to better understand the entire process in detail.

Understanding the Outlook Cleanup Tool

The Outlook Cleanup Tool is a built-in feature in Microsoft Outlook that helps users declutter their Outlook mailboxes. It removes duplicate email messages from conversations and folders. It does:

  • Removes duplicate emails in Conversations
  • Provides Cleanup options
  • Reduces Outlook mailbox size
  • Moves Deleted Messages to Deleted Items

Why Is Outlook Mailbox Cleanup Not Working?

The Cleanup feature is used to remove redundant or duplicate email messages in email conversations. But some common reasons can prevent it from working properly. These are:

  • Corrupted Outlook Data File (OST/PST)
  • Flagged or Unread messages
  • Large Mailboxes and Performance Issues
  • Configuration Issues
  • Software glitches or bugs

Effective Ways To Fix Outlook Cleanup Not Working

Now, after learning about the reasons that prevent it from functioning properly, let’s move ahead. In the section below, we will explore the solutions to fix the issue. 

Fix Corrupted Outlook Data File (OST/PST)

If Outlook Cleanup is not removing duplicates, it could be due to corruption in the data file. Fix the corruption issue first, and then retry the cleanup process. 

Use the following steps to proceed:

  1. Close the Outlook application.
  2. Locate your ScanPST.exe (Inbox Repair Tool). The default location of the file is: 
C:\Program Files (x86)\Microsoft Office\root\OfficeXX\
  1. Run the tool and select your desired OST/PST file.
  2. Then, click on the Start button to start the scanning process.
  3. After that, if errors are found, click on the Repair button to fix them.
  4. Now, reopen Outlook and try to use the Cleanup Tool again.

Reducing The Mailbox Size Can Fix Outlook Clutter Not Working

By reducing the Outlook mailbox size, it can improve the performance and try to restore the functionality of the cleanup tools. 

These are the steps to reduce the mailbox size:

  1. In Outlook, go to the File tab. 
  2. Now, click on Cleanup Tools > Archive.
  3. After that, choose the folders that you want to archive and select Date-Range.
  4. Then, click Ok to begin the process.
  5. Also, right-click on the Deleted Items > Empty Folder.
  6. After that, go to File > Account Settings > Account Settings.
  7. In the Data Files section, select your Outlook data file and click on Settings.
  8. Then, under the General tab, click on Compact Now.

Steps to Use the Outlook Cleanup Tool

Below are the steps to fix the Outlook Cleanup Tool not working:

  1. In Outlook, go to the File tab and select Tools > Mailbox Cleanup.
  2. Now, identify and remove the unwanted emails using the filters.
  3. Now, go to File > Options > Advanced.
  4. Then, in the AutoArchive section, click on AutoArchive settings
  5. After that, set your preferences for archiving and run AutoArchive.

Expert-Recommended Tool to Fix the Outlook Cleanup Not Working Issue

The Cigati Outlook Duplicate Remover is a powerful solution that helps users easily find and delete duplicate emails from the Outlook data file (PST). Before any deletion, the tool provides a preview of the PST file details, helping users verify the details. One of its key features is to filter duplicate emails based on specific date ranges. It also offers a smart option to remove attachments from duplicate emails. Users can also customize the criteria used to detect duplicates.

Simple steps to follow to fix Outlook mailbox cleanup not working:

  1. Download and run the duplicate remover tool.
  2. Now, select the Single File option to add the PST file and click on Open to upload it.
  3. After that, expand the tree structure and select the files/folders. Preview the data and click Next.
  4. Check the additional filters, such as Mail Filter, Task Filter, etc, to refine the process.
  5. Then, click on Path to Save to choose the location to save your resultant file. 
  6. Lastly, click on the Next button to start the removal process.

Conclusion

Outlook mailbox cleanup issues can sometimes become frustrating, especially when handling duplicates and large files. Although Outlook offers built-in cleanup options that provide basic support, the duplicate remover offers a comprehensive solution. The tool helps remove duplicates with precision. By following the recommended steps, users can effectively fix the Outlook cleanup not working issue.

Frequently Asked Questions

Q: Why is the Outlook Cleanup Tool not deleting emails?

Ans: Some of the reasons could be, corrupted Outlook data file (OST/PST), configuration issues, flagged or unread messages, large mailboxes, software glitches or bugs, etc. All of this would lead to performance issues in the Outlook application.

Q: What are the best methods to fix Outlook Clean Up Conversation not working?

Ans: The best methods include fixing the corrupted Outlook data file, reducing the mailbox size, etc. For a reliable and quick solution to the issue, we recommend using the Cigati Outlook Duplicate Remover.

About The Author:

Rohit Singh is an Email Backup, Recovery & Migration Consultant and is associated with Software Company from the last 3 years. He writes technical updates and their features related to MS Outlook, Exchange Server, Office 365, and many other Email Clients & Servers.

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