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How to fix [pii_email_21c137e6a0408e619c6c] error code?

pii_email_21c137e6a0408e619c6c: Communication and being linked to the world around us benefit everyone. When it comes to managing and balancing professional and personal lives, nothing beats Microsoft Outlook. It aids in the management and scheduling of emails, the organization of to-do lists, the scheduling of personal and professional appointments, and much more. After so many days of accessing the accounts, one may encounter some errors.

What are the causes of the pii_email_21c137e6a0408e619c6c error?

The following are some obvious reasons why the error could ccur:pii_email_21c137e6a0408e619c6c

  • If a user uses multiple accounts without clearing the cache and cookies, the error may appear.
  • It can also be caused by a faulty installation of Microsoft Outlook software on the device.
  • When Outlook is opened, the error message appears. It could be due to a lack of updating to the most recent version.
  • The user may not always be able to identify the error. In such cases, the support team can be of great assistance in determining the cause.

4 Methods to Error pii_email_21c137e6a0408e619c6c

Finding a viable and feasible solution to a person’s problem is critical. The four simple methods for resolving error pop-up issues.

First method:  to resolving error [pii_email_21c137e6a0408e619c6c]: Microsoft Outlook update

· Check to check if the most recent version of Outlook is compatible with your computer or laptop. Update Outlook and uninstall the previous version if it is compatible.

· Your files will be restored to the new version after updating the previous version.

·If a new Microsoft Office was installed, a backup of the important files might be required.

· Opt for simple file transfer. If the error persists, the user should contact customer service.

The second method for resolving error [pii_email_21c137e6a0408e619c6c] is to clear the cookies and cache. 

Another common issue for users experiencing the error is a failure to clear the cookies and cache.

  • Go to the File and Options menu to remove the Outlook cookies and cache.
  • After that, log out of your Outlook accounts. If you utilize more than one charge, log out of all of them.
  • Restart the laptop after it has been shut down or restart. Make an account with Microsoft. The problem has to be solved.
  • If the problem remains, choose the third method to solve it.

Third method to fix [pii_email_21c137e6a0408e619c6c] error: Choosing an auto-restoration programme

  • Go to the control panel and the tool’s function setup to study more about the software.
  • Turn on Office 365 and select the Microsoft application for the repair.
  • Change the button at the application’s start and select the type of fix required.
  • Click on a fix and then follow the instructions on the window’s screen.
  • Restart Microsoft Outlook if necessary. If the application does not function properly, contact the technicians.

Fourth method to fix error [pii_email_21c137e6a0408e619c6c]: Removing third party email application

  • To ensure a smoother operation, the untreated source or third-party application must  remove from the computer.
  • After removing it, resurrect Microsoft Outlook to see if the error has been determined.
  • A variety of factors could cause a similar issue in various users’ functional gadgets. The ideal technique for checking for errors at the user end is to employ workable and straightforward procedures.


Issues and malfunctions cause the majority of Microsoft Outlook difficulties during the installation procedure. First, one should look for reasonable and straightforward approaches to solve the trouble that an individual may complete. It involves fewer stages and may  complet by anyone. If the problem persists and does not resolve, the best way of action is to get in touch with Microsoft’s main office or hire a technician. The assistance in investigating, identifying, and mitigating the problem and providing the user with smooth-running software.

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