Frequently Asked Questions

Less known Outlook (starting from version 2010) feature is built-in duplicate email removal. Using this feature you can remove duplicate emails from Outlook for free, without using any additional software. To access this feature select mail folder, go to Home tab Delete section Delete Clean Up. There is a way that does not involve using a add-on or program. The best way to do this takes seconds, is free, and already a part of Outlook. All you need to do is click on the folder that has the duplicates in it and then go up to the 'Home' tab and click 'Clean up'. Then click the 'Clean Up Conversations' options. Oct 10, 2013 How to delete duplicate emails in Outlook. Unfortunately, even the latest version of Outlook 2013 does not provide any tool that would let us remove duplicate email messages in Outlook folders. Microsoft suggests a way, or rather a workaround, to delete duplicates manually. You can try it if you have time, and this may even work if you have a. Smart Way to Remove Duplicate Emails in Outlook. Let’s start with the manual method. #Method 1: How to Remove Duplicate Emails in Outlook-Manually. Microsoft Outlook has one Clean Up tool that helps you to delete duplicate emails from the Outlook PST file. So, to use properly follow the below guidelines.

Duplicate Emails In Outlook

Listed Commonly Asked Questions and Answers

How do I get rid of duplicate emails in Outlook?

Step by Step Guide to Remove Outlook Duplicates:

1. Free Download and Run Outlook Duplicate Remover
2. Click on 'Add File(s) or 'Add Folder' to open PST file
3. Select Category to Remove Duplicate Emails, Contacts, Calendars, Journals, Tasks and Notes
4. 2 option to delete duplicate items: Within and Across Folder
5. Browse Location to Save duplicate free PST file
6. Click on Remove Duplicate button

How can I remove multiple numbers of duplicate emails ?

SysTools Outlook Duplicate Remover is a very efficient and reliable tool which is capable of removing 'n' number of duplicate emails from a respective Outlook mail profile.

Do I need to install Outlook on my machine before using this tool?

Yes, Outlook should be installed on your performing machine and it should also be configured any of the two profile types; POP3 or dummy. However, the version of Outlook (32-bit) could be any.

Can I remove duplicates from multiple PST files at a time?

Yes, with the help of Add File(s) or Add Folder option you can upload a complete containing multiple PST files at once to the software. This way you can remove duplicates from multiple PSt files at once.

Does the software removes Duplicate Emails and Calendars from Outlook (PST) files?

Yes, the tool removes duplicate emails from Outlook, as well as it eliminates calendars, contacts, journals, tasks and notes.

Are duplicates checked for in a single folder or across multiple folders?

As a matter of fact, Outlook Duplicate Remover software checks for duplicates in both ways; within a folder and across folders for detecting all types of duplicate items such as; emails, contacts, calendars, etc.

Does software remove duplicates from a specific size of PST file only?

No, there is no such file size related limitation within software. You can remove duplicates emails in Outlook from any size of PST file successfully.

Is there any changes made to the source PST file after processing it?Is there any limitation in demo version of Outlook Duplicate remover for deleting duplicacy across the folder? Can I remove duplicate calendar entries from Outlook 2016?Is there any file limitation to remove redundant emails from Outlook?Can I remove duplicate contacts from Outlook 2016 using PST Duplicate Remover tool?

Lindsey Smith | July 18th, 2021 | MS Outlook, Technology

When users encounter duplicate emails in their mailbox, it becomes difficult to manage them. This is the reason we all are here. In this blog, multiple ways to remove duplicate emails in Outlook are discussed. However, duplicates in Outlook mailbox can create many annoying problems such as corrupt mailbox data, performance degrades, etc. To overcome all such issues of Outlook, you have to remove duplicate email messages in order to maintain the continuity of work. But before that, it is important to find out the cause of duplicate emails.

Email communication is the type of communication famous among the business users. Nowadays, all small and big information is shared between the users is via emails only. Thus, emails are one of the most important resources of the users. Therefore, proper management in any mailbox is always necessary as it keeps lots of crucial information. When it comes to the management of mailbox, the hardest one is to remove duplicate emails in Outlook.

Have you ever seen email deduplication in your Outlook mailbox?

If you did not pay any attention towards removing duplicate email messages in Outlook mailbox, it can create lots of issues. Are you looking for a direct and simple solution to eliminate items that are replicas in Outlook? If yes, download the application below free of cost.

It is a foolproof formula to deal with any type of duplicate items in Outlook in just a few simple clicks. In addition, it is 100% safe and secure to download and remove duplicate emails from your Outlook PST file.

Why Should One Remove Duplicate Emails in Outlook 2016 & 2019?

Microsoft Outlook is the widely used email application so, keeping it in a working state is really important. However, duplicate email messages in a mailbox can badly affect its performance. Apart from this, there are many other problems faced by the users and are listed below:

• Unable to Locate Message: When you try to search for any email via search option in Outlook, it displays a complete list of messages and take more than the desired time.
• Increase Mailbox Size: If you keep receiving duplicate emails in Outlook with attachments, the size of mailbox also keeps on increasing. However, if the size of mailbox is large, the performance degrades.
• Occupy More Space: As the number of duplicate items increase, it will occupy more storage on the hard drive and CPU usage will also be higher. In addition, it increases the chances of data corruption also.
• Other Issues: There can be many other common issues faced the users as the time increases. For example, Outlook becomes slow, starts freezing, or stop even responding! In addition, it can corrupt Outlook PST file also.

All Possible Causes Leading Users to Eliminate Duplicate Emails in Outlook

• Rules Are Not Configured Properly: If rules in Outlook are not configured properly, it will create a confusion as an email message arrives. Afterwards, it results in duplication of the emails.

• Synchronization Issue: If inbox updates with very low frequency, it will create synchronization problem and generates duplicate items in the mailbox.
• Incorrect Account Settings: It is possible that the same email account is configured twice or in different devices. There is a possibility that it results in repeated synchronization of inbox. Hence, create duplication in Outlook mailbox which makes the users look for solutions to remove duplicate emails in Outlook.
• Mailbox is not setup Properly: When set up a mailbox in Outlook and it is not configured properly, there are chances of receiving same email multiple times.
• Other Technical Issues: It is quite possible that there is technical problem in the mail server and leads to duplicate Outlook items. The main reason behind this is you have left Leave Messages on the Server option checked.

Not doubt the reason behind duplicates emails in Outlook matters a lot always. The point is, it will surely hamper the performance, continuity, and productivity of Outlook. Thus, it is important to remove duplicate email messages of Outlook in a proper way.

Simple Tricks to Eliminate Duplicate Emails in Outlook

There are many approaches available that the user can try to remove duplicate email messages. In order to know about the same, continue reading the blog.

Trick #1: Configure Rules Correctly

The very first step is to make sure that Outlook Rules are configured correctly as it creates confusion in multiple email folders

Trick #2: Change Inbox Update Frequency

Next, you can modify Inbox update frequency by following the steps below:

• First of all, open MS Outlook and click on the Send or Receive button
• After that, choose Define Send or Receive Groups option
• Here, you can set the ‘Schedule an automatic send/receive every’ value between 15 and 30 minutes

Trick #3: Run Inbox Clean Up Tool to Remove Duplicate Emails in Outlook

Microsoft Outlook includes an inbuilt application named as Clean Up tool to eliminate duplicate emails of Outlook. You can run the tool within the Outlook only. To begin clean up process of removing duplicated emails, follow the steps below:

1. First of all, open MS Outlook application
2. After that, choose Inbox folder containing duplicate emails
3. Then, move to Home menu and select the Clean Up option
4. Now, choose any of the following option as per the reason of duplicate occurrence:

• Clean Up Conversation: Remove and move duplicate email messages from conversations to Deleted Items folder
• Clean Up Folder: Delete the duplicate email messages from a specific folder
• Clean Up Folder and Subfolders: To clean up folders and subfolders both

5. At last, right-click on the Deleted Items folder and choose Empty folder option. This will eliminate duplicate emails in Outlook mailbox permanently.

Trick #4: Anti- Virus Software

In some cases, anti-virus app is also responsible for closing in Server connection. And, if the connection is not terminated accurately, the email message is not flagged when received. This is the reason behind duplicate emails in the mailbox. To cross-check this, move to anti-virus instruction manual to find out the to disable email protection.

If none of these work, you can go for the next solution which is going to help you in the required field and make the task easy for you.

Trick #5: Professional Solution to Remove Duplicate Emails in Outlook

If any of the above tricks does not work perfectly to eliminate duplicate items in PST file of Outlook, switch to some professional solution. Outlook Duplicate Item Remover is one such application that can help you in removing duplicated emails, calendars, tasks, notes, journals, contacts in Outlook. It is one of the finest application to deal duplicate emails in problem. It let users remove duplicate Outlook items from multiple PST/OST/BAK files in batch also. When it comes to remove duplicate emails via email fields, it is the best option to go for. Moreover, it supports both ANSI and UNICODE type PST files.

Duplicate Emails In Yahoo Mail

Time to Wrap Up

Tool For Removing Duplicate Emails Outlook 365

Duplicate items in mailbox can be annoying sometimes or start creating issues. Therefore, multiple tips and tricks to remove duplicate emails in Outlook are covered in the blog. You can try them and get rid of duplicated items problem in Outlook mailbox.