Mail Interface Returned Unknown Outlook Error 200? Repair Immediately


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    If the email interface returned an unknown Outlook error 200, then this guide may help you.



    Whenever an error occurs, the situation gets worse and also the performance gets worse. Nowadays, almost all email clients use clients for various purposes, such as communicating, managing files on a computer, etc. One of the most commonly used email clients is Outlook. It is a dedicated personal information manager that effectively manages email, schedule and contacts. This is probably primarily a component of the Microsoft Office suite. This is uhAn efficient and reliable email client, but it is also prone to various errors. One of the most common errors that Outlook users face is that the user interface is returning an unwanted error. If the problem persists, restart Outlook. This type of error can also result in data loss if it is out of sync. So, in the next section, we are going to present some simple and reliable methods that users can easily use to fix a mail interface returning an unknown error.

    Troubleshooting Techniques “Mail Interface Returned An Unknown Error”

    In Outlook 2016, 2013, 2010, 2007, 2002 “email interface returned another error” when user tries to delete email messages. This error can also damage Outlook PST history files. If the failure persists, the user should accept data loss issues. So let’s start by discussing some of the methods a smoker can use to fix it easily this error.

    the messaging interface has returned an unknown error outlook 200

     The mail client interface returned an unknown error. If the problem persists, restart 1: Outlook.

    Method Clean Up Deleted Items From This Folder

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    One of the easiest ways to fix the message interface termination issue and return an unknown error is to empty the Deleted Items folder and then consider deleting the message again. To delete the Deleted Items folder, simply right-click the Deleted Items folder and select Empty Directory. The user can also try to delete the message permanently by pressing the Shift + Delete keys.

    Method 2: Edit The Post

    Ease of use also allows you to try to edit information and then save it. This trick can sometimes reset test message corruption. After that, the user can delete the message as usual.

    1. Open a message, then put it in edit mode

    • In Outlook 2003 and earlier: select Edit> then edit the new message.
    • In Outlook 2007, 2010, 2013,2016: Select Actions> Edit Message.

    2. Now enter a double or multiple characters and save
    3. Close the message and try deleting the main message again

    Method 3. Create A New Outlook Profile

    A Create a new Outlook profile and check if the error is resolved. To create a new Outlook profile, follow these steps:

    1. First you need to close Outlook, then go to the Start menu, then click Settings
    2. Now you need to click on Control Panel
    3. After that, you need to double-click Mail, then click View Profile> Add


    4. Select the required services and click “Next”
    5. You must provide all the necessary information about the selected specialists in the mailbox of the installation wizard
    6. When prompted for the path to your current PST files, you will need to enter the newer version and then click on the Next button. Then follow the instructions in the Customize Inbox Wizard
    7. Now go to the general check and when starting Windows Business Messaging you should use the above profi ya
    8. Select the newly created description and click “Close”
    9. Finally, honest Outlook and normally try to delete the message

    Method 4. Repair Damaged File

    If an attacker cannot resolve the dilemma, it could be due to a corrupted PST file. To fix this problem, the user has to run scanpst.exec. User can resolve PST files by following these steps:

    Quick fix:

    You can use the application recommended below as a quick expert solution to successfully fix PST file corruption. SysTools Outlook PST Recovery helps you recover severely damaged PST file with a few simple processes. See Info and Screenshots for more information. Recovery software is available as a free download.

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    Step by step: find a standard PST file

    the messaging interface has returned an unknown error outlook 200

    1. In the control panel, you need to open Mail
    2. Then select the “Show
    profiles” checkbox.3. Now select the Outlook profile that is having the problem
    4. After clicking on it, select Properties> Data Files
    5. Now remember or write down the location and name of the PST file that will be included in the default file

    Step 2. Run Outlook Inbox Repair Tool /SCANPST.exe

    1. You must first log out of Outlook
    2. Now open the Inbox Repair Tool
    3. In the Enter the name of the file someone wants to scan, enter the location of the PST file you checked in step 1
    4. Finally, click “Start”


    After completing all the steps and the exact technique, your data file will be restored. You can now delete the message.


    Outlook is one of the most widely used email clients. Outlook manages all records efficiently. However, users love to face various problems when working with 2016, 2013, 2010, 2007, 2003. One of the most common mistakes is that “the messaging interface inevitably returns an unknown error. If the problem is accurate, insist on restartinge Outlook. … “Therefore, in this section above, we have explained other methods that users can use to easily fix this error.

    About the author

    Raj Kumar

    A versatile tech-savvy product that can help you bridge the gap between people and technology. Provides simple and reliable suggestions for solving various technical problems that surfers face in their daily life.



    Improve the speed of your computer today by downloading this software - it will fix your PC problems.




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