How to fix [pii_email_07cac007de772af00d51] Error Code

Often occurring in Microsoft Outlook applications, error code pii_email_07cac007de772af00d51 disrupts functions of various applications. Here is how to get rid of the error.

The email is considered a quality application that helps us communicate with many people all over the world.

Microsoft Outlook is one of the most loved email platforms because of their high standards in privacy and security.

Error [pii_email_07cac007de772af00d51] pops up when there is an error in the installation process or when there are too many accounts connected to the same device. 

To fix [pii_email_07cac007de772af00d51] Error Code, you either need to reinstall the Microsoft Outlook application or delete the multiple or duplicated emails within your device. 

Summary table: How to fix [pii_email_07cac007de772af00d51] Error Code

Issue	Cause	Fix
[pii_email_07cac007de772af00d51] Error Code	Multiple emails registered on application	Delete multiple or duplicated accounts
	Browsing Outlook rather than opening application	Open the application directly
	Installing third-party software	Disable third-party applications
	Overloaded caches and cookies	Delete old data logs

Reasons behind [pii_email_07cac007de772af00d51] Error Code

Here are a few causes behind the error you see on your screen as you try operating Microsoft Outlook.

Using Outlook with multiple accounts will trigger this error because the application will not work properly.

Overdue Cache information that has not been cleared in a long time also causes errors in operation that lead to this error popping up on your screen.

If you are using a damaged utility file, this error will appear. To fix it, update to the latest model of MS Outlook.

Resolve [pii_email_07cac007de772af00d51] Error Code

Remove and Install Microsoft Outlook 

One of the best solutions to fix this error is by updating the application to help clear out any outdated components.

All you must do is delete the present application and install a newer version. Do this by; launching the control panel, click on the programs and features tab, from the list of presented options, select Microsoft office 2016.

Hit the Uninstall button and follow the prompts given in the pop-up window to the finish. Uninstalling Office before introducing a new version, data will not be deleted.

It can be recovered if your new Office variant includes Outlook functions.

To further simplify this process, you can run the Microsoft Office Setup program. This will eliminate the old version and update to the newest.

Finally, you can reboot your machine and then relaunch the Outlook app. If the error persists, try the next recommendation.

Repair Programs and Features 

Open the Control Panel and go to Programs and Features. Look for Microsoft Office 365 Find and click on it.

Next, click on the Edit button located at the top of the Programs window and follow the instructions that follow in the next window that pops up.

After a successful process, restart the machine to check again for the error.

Change Server Port Number 

Open Outlook application and find File and go to Account Settings. From here, select Email and choose your account from those listed.

You can go to More Settings on the windows Pen email account that opens and select the Internet Email Settings option.

Find the Advanced tab and change the SMTP number 465 to 587 and save the changes made. Reboot to activate new settings and re-launch Outlook to check for error.

Clear Browser Cache and Cookies 

to refresh the system operations of your Outlook account, consider deleting all the website cache data, and by doing this, all stored Cookies will be deleted as well.

Delete Duplicate accounts 

If your Microsoft Outlook account has more than one email registered on it, the error code [pii_email_07cac007de772af00d51] is bound to show up. To fix it; open the Outlook menu, find Account Settings, and then tap on the Messaging tab.

Click on any duplicate email you find and select to delete all available records. Then close the application and clear all cookies and cache associated with the program installed in your system.

Re-launch the Microsoft Outlook application to check for error resolution or recurrence.

Update Microsoft Outlook 

Check requirements for the latest version on your device configuration. The old version of Outlook should be removed once you run the Microsoft Office Setup program on a PC that has the previous version installed.

If you encounter a problem in installation, you must then uninstall the entire application and start again.

Installing Office before installing the new version does not lead to file deletion. If your Office version has Outlook, you can back-up your information.

This is possible through Out View which allows you to move your data files from one machine to another.

Use the Troubleshooting method

If all the above suggestions are not working to fix this error on your screen, try accessing the troubleshooter application.

It is capable of handling different errors and clearing technical roadblocks. Here’s how to go about it;

Press the icon Windows on your keyboard and go to Settings. Select troubleshooter under the Update and Security option.

Select “Yes” to start the troubleshooter and wait for the configuration process up to the finish. Then you may reboot your device and launch Microsoft Outlook again.

The error should be cleared.

Contact Customer Support

After all, if the error message proves stubborn and impossible to resolve, it could be because it is caused by a hidden error that only a technician can spot.

At this point, it is better to call on the Microsoft technicians to look into the matter and have it resolved for you.

Conclusion 

The [pii_email_07cac007de772af00d51] Error Code has got to be the most common and annoying errors to come across when using Microsoft Outlook.

The resolutions suggested here should give you all the details you need to clear this error and to have you back sending and receiving emails with no further interruptions.

FAQ 

How do you fix send/receive error?

Disable the Windows firewall and antivirus program, inspect mail for suspicious content, adjusts and reset Outlook email settings, clear the Outbox and change the Server Time Out settings or run Outlook in Safe Mode. 

How do I reset my Outlook application?

Click the Start menu button on your desktop, then type in Control panel in the Run box. When the panel window opens up, right-click Mail and open. Then click on history and select show profile. From here you will see the reset button which to click on.