Solved: How to fix [pii_email_5a3f70ed21f415521fa3] error?

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Table of content:

  • How to identify email error?
  • How to fix [pii_email_5a3f70ed21f415521fa3] email error?
  • Log out of multiple accounts
  • Try re-installing the application
  • Update your Window
  • Find technical support
  • Conclusion

There are times when we are busy and our mailboxes will not quite receive the emails we desire to read.

This can be for some reasons such as a busy mailbox being full, we may have forgotten to include a name or address in our request, or the person that is giving us the hard copy may not be available online anymore.

During the hectic routine, if the email error comes then your working might get slow. For example, nowadays [pii_email_5a3f70ed21f415521fa3] error is very common and disturbs most of the organization’s work.  Some of more common email errors are common:

This is a type of bug that usually appears in Outlook and to get rid of it, you need to read the article we quoted from the following techkinian.

When this happens, we will want to know how to fix email [pii_email_5a3f70ed21f415521fa3] errors so that our emails do not end up in our spam box.


How to identify email errors?

To identify some of the more email errors, the first thing that we should do is look at the email itself to see if there are any messages there that we have sent but are not receiving.

This can be done by right-clicking on the email and going in front of the “References” link which should be on the very first tab of the email.

We can then go ahead and look for these errors in the message. When checking the references, it is best if you do not click on any links because you may get caught by your antivirus software.

Once you have found the errors that you are seeing in the message, you can then proceed with the troubleshooting steps.

Also Read: How to fix Microsoft Outlook [pii_email_f4cea690933c501337c1] Error Code?

How to fix [pii_email_5a3f70ed21f415521fa3] email error?

The first thing that should be done is to send an email to the service provider and see if they have resolved the error yet. If the problem is still there, you should proceed to the section where you can manually check each part of the error.

This will involve going through all the email files and checking for any messages that are saying something along the lines of “Cannot open this file because it is corrupt”.

One of the biggest email errors is sending an email from an invalid or nonexistent email address. This is one of the easiest things that can happen because we do not always check the names or addresses on our emails before hitting send.

It is also one of the easiest things to check if your emails were sent from a valid address. By correcting this problem, we can ensure that our email etiquette is not harmed because of email errors.

Some of the additional methods of solving these typical errors are written below:

·      Log out of multiple accounts

One of the possible reasons why this error is occurring is because of the multiple accounts log in to your Microsoft Outlook (Window version).

If you have logged in with different accounts, you should log out from all the accounts and try logging in from the account that you actually need.

Before logging in, you should consider clearing all the cache of the desktop app in order to have a better experience and fewer chances of error.

·      Try re-installing the application

One of the common reasons for the occurrence of [pii_email_5a3f70ed21f415521fa3] outlook error is the failed installation of the Outlook.

Although the installation is complete but still it has some missing files or bugs in the installation.

You can uninstall the Window app and install it again and try running the app in safe mode.

·      Update your Window

The best solution to avoid the [pii_email_5a3f70ed21f415521fa3] error is to check the latest updates of the windows and install these updates.

This might be because the windows have some bug that is causing this error and if you update the window, it will avoid this bug.

·      Find technical support

If the above fix doesn’t work, try contacting the technical support of the Microsoft team or any other agency. They can help you out in setting up the outlook correctly and remove the error.

There are different online supports like Tech helpline, live agent where you can open a ticket for free to get help from the experts.


This error is common and can be the reason for most of the poor working or disturbance in your daily life.

In recent year, Outlook has suffered from different types of bugs, and errors in daily mail can be a common problem.

However, the fix we have listed can be helpful in fixing the issue yourself instead of contacting the technical individual for paying and getting your issue fix.