8 Solutions to Fix Outlook’s Operation Failed Attachment Error

Getting operation failed error in Outlook? Fix it using Stellar Repair for Outlook tool. It will recover and restore complete PST files and mailbox data fast.

Mar 28,2020 • Filed to: Recover & Repair Emails • Proven solutions

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outlook error the operation failed

Outlook error the operation failed attachment error is the most common error experienced by the Microsoft Outlook users. You experience it while trying to open email attachments or send attachments in email. The complete message looks like: The operation failed. An object can’t be found.

This inhibits the users from opening attachments or sending messages using Outlook. So, to resolve this Outlook problem, we have covered various methods.

However, we recommend you to use Stellar repair software to repair common errors in computer, optimize for maximum performance, and to get rid of Outlook error the operation failed.

Part 1: Why ‘the operation has failed’ attachment error occurs?

There are tons of reasons for 'the operation has failed’ attachment error to occur. It includes:

1. Older Outlook Version

If you are using an old Microsoft Outlook version, you are likely to face this issue. Thus, make sure you keep the software up-to-date.

2. Outlook in Compatibility mode

In Outlook compatibility mode, few components will not be able to work correctly. It can also be the reason.

3. Conflicting applications

Conflicting applications like antivirus/Firewall on your system can also cause many Outlook problems.

4. Corrupted Office or Outlook installation

If an installation of Office or Outlook is incomplete, then you will not be able to attach attachments successfully.

5. Missing or Corrupted .pst File

If the PST file has corrupted, it will also display Outlook error message the operation failed the messaging interfaces error.

6. Conflicting Outlook Add-ins or duplicate rules

If there are conflicting Outlook add-ins or rules that are not set correctly, you will experience the attachment error message.


Part 2: How Fix Outlook Error the Operation Failed?

To troubleshoot and fix the error, ‘the operation failed,’ there are plenty of possible solutions you can use. This includes:

Manual 1: Verify if Microsoft Outlook is in Compatibility Mode

Firstly, check that the option named 'Run program in the compatibility mode' is not ticked for Microsoft Outlook. To do this, perform the steps below:

Step 1: Go to start button and type ‘outlook.exe’ in the search box.

Step 2: Right-click on Outlook icon that is on the desktop and choose Properties.

compatibility tab outlook

Step 3: Pick the Compatibility tab and deselect the 'Run the program in the compatibility mode' if selected.

Step 4: Choose the 'Apply' option and hit the 'OK' button to close the window.

Step 5: After that, restart your Microsoft Outlook application and check if you are able to send emails again.

Manual 2: Update your Outlook

Check for Microsoft Outlook updates by performing the following steps:

Step 1: Click File > Office Account

Step 2: Tap on 'Update Options' and then 'Update Now' for updating the application.

update now option

Manual 3: Create your New Outlook User Profile

Outlook error the operation failed can also occur due to corrupted Microsoft Outlook profile. For setting up a new profile:

Step 1: Launch “Run” by pressing Windows key + R and then click on ‘Control Panel’ that is in the Open box. Now and click OK.

Note: You can also head to Start > Settings and > Control Panel option.

Step 2: Tap on Mail, which is in Control Panel, and in the Mail Setup Window hit on the 'Show Profiles' button.

Step 3: Now tap on Add button, enter profile title, and click on 'OK' button.

Step 4: In your Add Account window, enter your email account details.

Step 5: Now, click the 'Next' button to proceed to the account setup wizard.

Step 6: In a new profile dialog box, fill the name of the new profile under Profile Name and hit OK.

Step 7: Now in E-mail Accounts dialog box, pick 'Add a new e-mail account' in options

Step 8: After that, hit ‘Next’ to continue.

add account window

Step 9: Click on the server type on which the e-mail account works, and then hit 'Next' to proceed further.

Step 10: Click on “More Settings” option and fill all the required details.

Step 11: Finally, click on Finish button.

Manual 4: Clean Boot Windows

To clean startup services and software, use the following steps:

Step 1: Press Windows key + R. It will launch the “Run”

Step 2: Now type ‘msconfig’ and hit the OK button to access the 'System Configuration.'

Step 3: Select the 'selective startup' button and choose Load system services and original boot configuration options.

general tab in msconfig

Step 4: Uncheck the box 'Load startup items.’

Step 5: Open “Services” tab, and tap on the option “Hide Microsoft services.”

system configuration services tab2

Step 6: Hit the 'Disable all' button. It will deselect all the third-party services. Now click Apply and then click OK.

Step 7: Now, in the pop-up dialog box window select the Restart option.

Manual 5: Turn Off Antivirus Scanner

Antivirus software can also be another significant factor behind the operation failed error. Every time you send or receive emails, this application will first scan it.

This slows the process and sometimes causes an error. Therefore, you need to switch it off. After doing that, try to send an email again. If you are still facing this problem, use other solutions.

Manual 6: Repair Microsoft Office

Repairing Microsoft Outlook will fix the wrong configuration in Outlook. To do this, follow the steps below:

Step 1: Go to the ‘start’ menu.

Step 2: Type Series or appwiz.cpl in the search box and hit enter.

Step 3: Now, click on Microsoft Office and Change button.

Step 4: Select Repair option, then click on continue to start the repair process.

Step 5: Click on continue to begin the repair process.

Step 6: After repairing, restart Outlook and try to open an email attachment or send an email again.

Manual 7: Use Scanpst.exe to Repair Data Files in Outlook

If any of the methods mentioned above does not work correctly, then there are high chances that the error ‘the operation failed - an object is not found in Microsoft Outlook 2016/2013/2010/2007’ is due to corrupted PST data files in Outlook.

So you need to fix this problem by repairing data files (.pst) using Scanpst.exe. To do that, use the following steps:

Step 1: Press Windows key + E key.

Step 2: Now, click on the Office folder that can be seen in File Explorer. The path in Microsoft Office 2019/2016 is:

C: -> Program Files -> Microsoft Office ->root and then Office16

Step 3: Tap on SCANPST.EXE to launch Microsoft Outlook Inbox Repair Tool.

Step 4: Now, click the 'Browse' button.

Step 5: Choose the default PST file. The default path for Outlook 2010 to 2019 is:

C:\Users\%username%\Documents\Outlook Files.

microsoft outlook inbox repair

Step 6: Click 'Start' to start scanning.

Step 7: Finally, click the repair button to fix the issues in the file.

Alternative: Third-Party Tool

Numerous things can cause operation failed error. But you can fix the problem using the best third-party tool like Stellar Outlook Repair. It scans all the corrupted PST files, repairs, and restores all mailbox contents speedily.

The repaired email attachments are saved as new PST files. You can then import them in Microsoft Outlook.

Furthermore, the biggest benefit is that you can have PST recovery for Outlook 2019, 2016, 2013, 2010, and previous versions.

Why Choose Stellar Repair Tool?

Amy Dennis

staff Editor

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