How to Delete Duplicate Emails in Outlook 2019/2016/2013?

Outlook is a popular email client that uses by many individuals and organizations to send and receive emails. But when duplicate email messages occur, it increases mailbox size and other problems. These duplicate messages can remove or delete manually if it is a small quantity. In a large database, it involves much effort to do it. So in this article, we have discussed how to delete duplicate emails in Outlook 2019, 2016, 2013 and all other versions.

The problem of duplicate email items in Outlook arises due to following reasons:

1. Import email messages and other Outlook items from another program.
2. If a faulty redirect rule is applied in the setting to receive the email.
3. Due to signing in from spammy or marketing websites.

Why do we need to remove duplicate emails in Outlook?

• Due to the plethora of duplicate emails, the size of the inbox tends to get bigger.
• Poor search experience while searching for important email messages.

How to delete duplicate emails in Outlook manually?

You can go with anyone feature offered by Outlook under the Delete group in the Home tab.

Ignore: Ignore feature is available to move a particular conversation in the delete folder. We can use it to delete unnecessary email messages.

Junk: It is a special spam filter that Outlook automatically moves suspected emails in the Junk email folder. Users can restore it or can delete these messages easily from the Junk folder.

Clean-Up: The Clean Up consists of three sub-option:

1. Clean UP Conversation: It can use to delete a single email message after reviewing and finding its duplicate.
2. Clean Up Folder: When a particular folder contains duplicate emails, the user can apply this option to remove emails in Outlook.
3. Clean Up Folder & Subfolders: Use this option to delete the whole folder & subfolder that contains only duplicate email messages.

Remove Outlook duplicated emails in the Imported PST file 

It isn’t very easy when a user imports a PST file from another program and wants to merge it with existing PST file data. There is a high possibility that some email items can be redundant. So to prevent duplicate email messages during the merger, a powerful solution is required.

Native approach to remove duplicate email from Outlook – Import/Export wizard

Import/ Export wizard is an option provided by Microsoft Outlook to import PST files from an external environment. It is easy to use and involves simple steps.

Attention: It can import only one PST file at a single duration and requires a healthy connection with Exchange Server.

• Run the Outlook application and click on the File
• Select Open & Export >> Import/Export >> Import from another program or file.
• Click Next, choose Outlook Data File (.pst), and tap on Next.
• Browse the .pst file from the computer folder, choose the Do not import duplicates radio button, and press Next.
• Use Filter if required, select the button between Import items into the current folder and Import items into the same folder in and click on Finish.

Professional approach for removing duplicate email in Outlook

While importing PST data, MailsDaddy PST Merge and Join tool is a trustable solution. The application perfectly manages all folder structures and other properties with existing PST files. It supports all Outlook versions and Windows operating systems to perform this kind of job.

Prominent features of this software:

• Automatic and safe browsing to search PST files from inside the computer.
• Merge multiple PST files in a single click with the original folder hierarchy.
• No size limit while combining multiple PST files.
• Remove duplicate items during the joining and merging process.
• Compatible with ANSI and Unicode PST file formats.
• A self-sufficient application that doesn’t require any other pre-setup.

Summing Up

In this entire article, all beneficial points are covered, which can help you to remove duplicate messages from Outlook. Even if you import a PST file from another computer and face duplicity of emails, there are two methods described to delete duplicate emails in Outlook.

 

Read more:

Why Are Emails Stuck in Outbox?
Thunderbird Export Emails to Outlook
Convert MBOX to PST Manually
Disappearing Emails in Outlook