6 Tips to Remove Duplicate Emails in Outlook 2016/2013/2010/2007

David Darlington

Dec 16, 2024 • Filed to: Windows Computer Solutions • Proven solutions

Email is an important way of communication which is marked to be official. The Microsoft Outlook is a very popular way to carry forward any work, official or personal. The user interface is very simple and provides a good range of security. However, with time numerous outlooks 2016, 2013, 2010, and 2007 have emerged.

Removing the duplicate emails to the outlook is a regular issue faced by the users. In this article, you'll be guided step by step to come up with the best ways to remove duplicate emails in outlook 2016 with ease. Once you understand the problem you can reach the base of the issue and remove it from the roots.

Part 1: What happens when duplicate emails occur in Outlook 2016/2013/2010?

Duplicate emails make the entire email managing features very difficult for outlook users. This leads to various issues. It slows down the system, affects the performance rate, storage capacity is reduced and the hanging of other problems keeps on pondering. If you remove duplicate emails in outlook 2013 measures, you can increase the size of the email box which will further affect the users' flow of work.

Microsoft Outlook is a complex application. Outlook generally requires loads of sources. Facing the below-stated problems will help you to find the one that is affecting you.

• While using the Instant search option, the outlook may require more than the desired amount of time to list down the messages.
• A sharp increase in the mailbox is noticed. The bigger the size of the file attached, the less will be the performance of the mailbox.
• Duplicate emails consume much more space than the normal ones. Thus, the application will hang if you receive bulk messages.
• Microsoft's outlook simply slows down; sometimes may freeze or stop responding and hang. It will corrupt your entire PST file.

Part 2: Possible causes of duplicate emails in Outlook

There are numerous reasons behind the occurring of the MS outlook find duplicate emails in the following listed details. Read on to know more.

1. The emails you receive are corrupted or infected: Using the MS outlook of 2007, 2010, 2013, 2016 have resulted in corrupted fields. This can take over any place or an email item. These sorts of issues are fixed and can instantly be handled form the server end, by controlling the IT administrator.
2. Synchronizes the Outlook Emails on the multiple devices: It is very common that as a user of Outlook, we keep on adding our profile details and login to the multiple devices we are using. Be it desktop, or laptop, or even mobile. We are unfortunately allowing at add multiple copies of the duplicate emails. This needs to be resolved manually.
3. Settings of Outlook not configured perfectly: Microsoft Outlook often generates duplicate messages either send or received cycle only because of the settings of accounts. Verify that "Leave a copy of the message on the server" is enabled. This will help you to fix disabling features from the account settings to the MS outlook versions.
4. While importing PST files to the other current profiles: The archive emails are often sent to the PST files for safety and backup. While importing any of the PST files on the same outlook profile, you need to import to the same profile where it can be exported too. These will create duplicate messages on the entire Mailbox.
5. Set rules of configuration are wrong. It is a very common yet simple mistake that might configure based on the inappropriate rules. This is a messy issue when all the emails are received. This way MS Outlook builds up the mailbox.

Part 3: How to efficiently delete duplicate emails in Outlook 2016/2013/2010/2007

To remove duplicate emails in outlook 2010 PST files, you must aptly understand the reasons behind it. Once you know the causes need to follow certain tips and tricks listed below the appropriately remove the bulk duplicate massages.

#1: Configure Rules Correctly

It is important to check on the outlook regulations to merely ensure the fact that these are not put together in the wrong way. Once this is cleared the confusion will be removed.

#2: Set Inbox Update Frequency

Try to increase the updates of the Inbox frequency by simple steps.'

Step 1: Open the outlook click on "receive" or "send" button

Step 2: Select on "define send" or "receive groups"

Step 3: Set a "schedule an automatic send/receive every" value option ranging between 15 to 30 minutes.

#3: Run Inbox Clean Up

Cleaning up the inbox can be done manually from within the application. To run the application, you need to follow certain steps listed below;

Step 1: Launch "MS outlook 2016"

Step 2: Select the option of "inbox folder" which contains all the duplicate files or emails

Step 3: Go back to the "Home" menu and then click on the "Clean Up" tab.

Step 4: Select the "Clean Up conversation" from the drop-down menu. This will erase and move the duplicate emails to the Deleted Items folder.

Please note that the "Clean Up Folder" will lead to deletion and moving of duplicate emails in specific folders whereas "Clean Up Folder & Subfolders" will lead to the deletion of subfolders as well.

Step 5: Click right on the "Deleted Items" and choose the "Empty folder". This will help you to delete the emails permanently.

#4: Anti-Virus Application

The so-called Antivirus app is solely responsible to close the server connection while the emails are not properly flagged as received. Thus, the messages are shown in the mailbox. To eliminate this, you need to interpret the manual directions to ensure the method of disabling email safety.

Make sure that the duplicate messages are not received while you're programming the Antivirus in your system.

#5: Try Professional Outlook Toolkit

To delete duplicate emails in outlook 2016, the Professional toolkit is one of the best options to explore. The Repair Mailbox is an alternative to the Stellar Toolkit for the Outlook. It is a dominant way to restore any damaged or unapproachable MS outlook data.

Step 1: Launch the Tool

Launch the 'Stellar toolkit for Outlook". The software is shown like the one picturized below.

Step 2: Add File

Simply click on the "repair Mailbox" option to repair the damaged file. Further, the "Select PST file for repair" dialog box will appear to allow the selection to find the PST file. Click on the "Find" button to find the files.

Step 3: Repair File

Click on the "repair" button to initiate the procedure of repairing the corrupted files. You can stop the process of scanning anytime. Once the scanning is done the recoverable files will be displayed automatically.

Step 4: Preview and Save

Save the repaired file, by clicking on the "Save Repaired File". The files allow you various options like EML, RTF, PST, MSG, PDF, AND HTML to save the files further. Opt for the option and click on the "browse" button. Click "ok" and save the files.

Bonus tip: How to recover emails deleted accidentally in Outlook

Often, we end up deleting some important files while deleting the trash messages from the mailbox. In those circumstances, you need to use the amazing tool called 'Recoverit Data Recovery' installed in your desktop to recover almost 1000+ types of the formatting data from various storage devices. By following simple steps, the recovery of the remove duplicate emails in outlook 2007 can be made possible.

Step 1: Select a Location

It is necessary to choose a location to recover the lost data. You can select the 'hard disk drive" tab to better explore the space. Click on the option "start" and begin the scanning.

Step 2: Scan the location

It is important to scan the location to diminish the chances of getting corrupted space. Better to pinpoint the space while you are scanning. "File path" and "file type" are the ways to click on the right detail. You can pause or stop the scan anytime if you want. Once the process is done the option of the stop will automatically appear. Click on the "stop "button.

Step 3: Select on the preview and Save

Once the scanning is stopped. Click on "preview" before moving to the last step of recovering data. Once you target the files, tap on the "recover" button for retrieving the files back to your system.

The Bottom Line

Duplicate email is the most annoying thing. Removing files is majorly a lengthy process. Using smart above-mentioned tricks are the best way to remove or delete duplicate emails in outlook 2016. There is no proper manual solution to remove duplicate files. To save your valuable time following the steps is an ideal way to automate the desired solution. Saving the productivity and performance you better can take the portable actions to make the duplicate emails get deleted reliably, without hampering the device.