Technology August 27, 2019 Last updated August 26th, 2019 16,409 Reads share

How to Fix Outlook is Sending Duplicate Emails Issue in a Simple Way?

Outlook Sending Duplicate Emails IssueImage Credit: Deposit Photos

Your Outlook is sending multiple copies of the same email? Fed up of this issue as it is creating a lot of problem at receiver end also. Here, in this blog know, how to fix this duplicate email issue in Outlook in a simple and easy way. 

Microsoft Outlook is usually preferred by all sizes of business organization or corporation units. There is no doubt that it provides users a platform to do all work in a professional way. It offers so many advanced functionalities that people out there become used to it. Now, if there is a little bit change in the behavior of Outlook, it surely has some effect.

What If,

Outlook is sending duplicate emails? It will occupy unnecessary storage and creates confusion also. Thus, it becomes important to deal with such type of issues as soon as possible. Now, how to overcome Outlook is sending a double email problem is the common question that everyone has.

Go through the blog and get to know about all possible solutions to prevent the sending of duplicate emails in Outlook 2016.

Possible Causes of Outlook is Sending Multiple Copies of an Email

There are several possible reasons due to which Outlook keeps on sending duplicate or double emails. Thus, to avoid this duplicate email problem in the future, go through these causes once.

  • It is because your MS Outlook application is integrated with an anti-virus application. Sometimes, due to anti-virus, email is not flagged when sending

  • Another possible cause your Outlook is sending duplicate emails is you have set Send/Receive interval time span very short.

  • In the case of a slow internet connection, extend mail server time out. However, a slow or non-reliable internet connection can also be one of the possible reasons.

  • Other technical problems: issue in modem, hub, Wi-Fi, router, you have left Leave message on the Server option checked, etc.

Multiple Troubleshooting Tricks to Stop Outlook from Sending Duplicate Emails

There are multiple manual tricks available that a user can try to overcome this double email problem in Outlook. All of them are discussed below but you have to decide between them based on the cause of the issue. Or, you can try all of them one by one if you are not sure about the reason behind the same.

Trick 1: You Need to Disable Anti-Virus

Everyone needs an anti-virus program to stop or prevent unnecessary actions. So, sometimes anti-virus creates or block a copy of sending emails or compels to send the same email again. To be sure about the issue, once turn off anti-virus application for few some time and try to send email again.

If there is no duplicate is created after sending an email then, you need to uninstall or turn off it while sending an email.

Trick 2: Decrease Sending/Receive Email Interval Time

To begin the process, open Outlook and follow the steps mentioned below;

  • In Outlook 2010 & new editions

1. First of all, choose Send/Receive tab and click on Show Progress option

  • In Outlook 2007 or older edition

1. Firstly, click on Tools >> Send/Receive >> Send/Receive Settings >> Show Progress.

2. As you choose Show progress window opens that displays you two identical progress bars. If there are more than two tasks, the interval time is set to very short. This might result in “Outlook is sending duplicate emails”.

Follow the steps to change the interval

  1. Move to Tool >> Send/Receive >> Send/Receive Setting >> Define Send/Receive Group

  2. After that, Send/Receive Group window will open in front of you

  3. A default value in already defined in Schedule an automatic send/receive every option

  4. Here, you need to decrease the value via the drop-down button

Note: Try to not set it below 10 minutes.

  1. At last, try to send the email.

Trick 3: Increase Your Server Timeout

While setting up an email configuration via POP or IMAP, do not miss to look server timeout. However, by default it is set to 1 minute so, set it either 2 or 3 minutes via drag point.

  1. In Outlook 7 or older version: Move to Tool >> Account setting

For Outlook 10 or newest version: Click on the File >> Account Settings

  1. Double-click on IMAP/POP3 account from which you send emails

  2. A configuration dialog box will pop-up on the screen. Click on the More Settings

  3. Then, click on the Advanced Tab

  4. Here, move to Server Timeout section and move slider to increase the time. Click on the OK button

All these tips will surely help you out in fixing the Outlook is sending a double email issue. Just follow the tricks suggested above and get rid of this issue in a few simple clicks.

Extra Tip!

If you are facing this Outlook is sending multiple emails issue then, there is a high probability of duplicate emails in your mailbox. Now, to avoid all problems due to duplicates in Outlook, it is important to delete them all. There are various solutions available that a user can try to remove duplicate emails from Outlook 2016 and other versions.

You can try them all and get over these emails as soon as possible. Or, you can look for some professional solution also if you want an instant solution. There are number third-party tools available out there that you can try to delete duplicate items in Outlook.

Time to Wrap Up

If a user is unable to manage Outlook mailbox properly then, it becomes difficult to continue work without any hassle. Handling duplicate emails are one of the toughest parts. Thus, if your Outlook is sending duplicate emails, you need to fix it as soon as possible. Otherwise, it will create multiple copies of the same email in your inbox. This will occupy lots of storage space and creates confusion also. So, it will be beneficial only if you deal with this double email issue in Outlook. This way management of Microsoft Outlook mailbox will be easy and continuity of work will remain intact.

Microsoft Outlook – Deposit Photos