5 Easiest Way: How To Fix Error Code [Pii_Email_07cac007de772af00d51]

The [pii email 07cac007de772af00d51] error code typically appears when Microsoft Outlook is not functioning correctly. In this journal, I provide a solution and demonstrate a simple method for fixing the [pii email 07cac007de772af00d51] error.

Exactly why does error [pii email 07cac007de772af00d51] occur?

Some factors could lead to error [pii email 07cac007de772af00d51]. Kind of the following units of measurement:

1. Using multiple Outlook accounts without clearing the cache and cookies will prevent Outlook from working properly and could result in an error.

2. The mistake might happen if the action plan for fixing the appliance needs to be understood somewhere.

3. An additional factor is that it conflicts with different applications installed on your laptop or mobile device.

Error [Pii Email 07cac007de772af00d51]: How To Fix?

Fixing the outlook error code is relatively easy. You can quickly fix this error code using all the fixes listed in our article’s methods below. Finding the ideal answer was always challenging for us. However, we have done some research and identified a few quick fixes that can assist you in quickly fixing the outlook error code. So let’s investigate the answers.

1. Remove And Then Reinstall Microsoft Outlook

Error [pii email 07cac007de772af00d51] can be brought on by some things, but it frequently happens when Microsoft’s most recent operating system is corrupted or not operating correctly.

Do you need help and seek the most effective solution to this problem? You have to remove the software. You will then need to reinstall it. After that, you must reinstall the software by following the instructions.

  • Choose Programs & Features in the control panel after opening it.
  • Then click on Microsoft Outlook under Search.
  • The next step is to click uninstall, located at the top of the list of programs and features.
  • You must follow its directions next to complete the uninstall process after the uninstall window has opened.
  • Reinstall the application after that.

2. Elimination of Duplicate Accounts

Error [pii email 07cac007de772af00d51] will result from using multiple accounts. It is, therefore, preferable to delete duplicate accounts.

  • Open the account and settings tabs in Outlook.
  • You will notice the duplicate account if you see a message tab option.
  • At that point, you must choose the delete option.
  • Refresh your Outlook right now.
  • Check to see if the error has been fixed after that.

3. Program And Features For Repairs

If you restored Outlook from the programs & features menu, that would be helpful. You need to adhere to the instructions to fix it.

  • You must first access the control panel, then select Programs and Features.
  • Then you must select Office 365 or Search Microsoft Outlook from the available options.
  • You need to click the edit button located at the top of the programs and window.
  • Next, a window will appear, from which you must choose repair.
  • You should adhere to the directions provided to complete the repair process straightforwardly.
  • After finishing, you must restart your computer and verify that the error has been fixed.
  • An application’s problems will be swiftly resolved by repairing the Outlook program.
  • This means that this procedure can swiftly fix the error problem in the program.

Modify The Server’s Port:

It is an additional fix for the [pii email 07cac007de772af00d51] error. You must follow the instructions below to modify the server port number.

4. Confirm the Outlook

  • After then, you must click the file. Go to account settings after that.
  • Thus, after choosing the email option, it is crucial to select your account from the list provided.
  • A window will then open along with an email account.
  • Then, you must select additional settings in addition to selecting internet email settings.
  • Choose the advanced tab to finish.
  • The SMPT number from here must be changed from 465 to 587.
  • Finally, save your adjustments, and you’re done.

5. Microsoft Outlook update

That is one of the crucial components, and your Microsoft Outlook version may be incompatible with your system. So, you must update your email program to the most recent or cutting-edge version.

  • If your computer has an outdated version, you will face issues; therefore, delete it immediately.
  • You must first make a backup of your necessary files.
  • Install the most recent version now.

6. Method for troubleshooting

If the error [pii email 07cac007de772af00d51] is still not fixed, it is advised that you use the troubleshooting technique.

  • To access settings, click on the Windows symbol.
  • Choose the security method, then update.
  • The option to troubleshoot is located here.
  • To enable the troubleshooting application, select yes.
  • Hold off until the configuration is complete.
  • Please restart your computer now, and make sure it is operating correctly.

Additional Points That Fix [pii email 07cac007de772af00d51]

The guidelines you must carefully adhere to get over these issues and find a solution are listed below:

Several Accounts

Please check to see if you are logged into more than one account on your computer, and if you are, log out and log back in using just one.

Cookies & Cache

Your browser’s cache and cookies should be cleared before logging in. This might work in some instances, but only sometimes.


Installing a legitimate web-based Microsoft Outlook application is the only way to resolve the [pii email 07cac007de772af00d51] problem code.

Installing Issues

Check your PC’s installation procedure once because occasionally Outlook will sync with other accounts and other software that is already installed there when it is installed.

Versions of Windows

If you need help with the Windows version you are now using, try another one to see if it solves your issue.


Contacting Microsoft’s support staff is our last and most important advice. Your antivirus software on your computer is one more thing you should examine, and if necessary, you should delete and reinstall it. It might aid in the Microsoft Outlook application’s smooth operation. 


You may quickly determine the cause of the [pii email 07cac007de772af00d51] problem code in your Microsoft Outlook program if you carefully and appropriately follow the procedures above. We hope our readers can get the answers and solutions to their questions. Still, if you have any recommendations for improving the solution, we would be happy to take them into account and incorporate them into our article.

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