How to Fix [pii_email_b47d29538f12c20da426] Error Code?

MS Outlook, an excellent platform with a well-organized mailing system, encounters a critical downside, too; sometimes, it stops working usually. The Outlook disables the email sending & receiving process & often doesn’t launch successfully by displaying an error code “[pii_email_b47d29538f12c20da426].”

Being in the same situation, the Outlook interface may display variant error codes to variant users while being in same situation; some may encounter the error code “[pii_email_e7ab94772079efbbcb25].” while the others may experience “[pii_email_b47d29538f12c20da426].”

All such error codes equally affect the Outlook working precisely in the same manner. These may occur as a result of certain aspects. You can have a look over those aspects here. We have posted a detailed explanation of all other error codes also in other articles.

Causes of [pii_email_b47d29538f12c20da426]

The following are the few most common causes of the error code [pii_email_b47d29538f12c20da426].

Older version outlook application

There is a possibility that the outlook version you are using might be of an older version with the least advancements & your system may also have some other mailing applications installed on it. Such a situation causes the applications’ conflicts & overlapping with the outlook app that triggers a state of “[pii_email_b47d29538f12c20da426]” error code.

Cache & cookies

Cache & cookies is a common cause of many error codes. As it is already explained in other guides, the use of more than one user account on a single MS outlook app causes the storing of bugged cookies also. Such bugged cookies files generally trigger the error code “[pii_email_b47d29538f12c20da426].”

Windows version incompatibility

A rare situation might occur, that is: the cause of the “[pii_email_b47d29538f12c20da426]” error code may be an incompatible version of the Windows operating installed on your system. Outlook often doesn’t work in a system with Windows 10 OS.

Software-based outlook version

Many reports show that the outlook users using a software-based version of outlook encounter much more issues and more likely at risk of getting the error code “[pii_email_b47d29538f12c20da426]” also for the same reason.

Proven ways to fix [pii_email_b47d29538f12c20da426] error code

Before you head to implementing any of the stated fixing methods, attempt once to refresh your MS Outlook app initially. You can quickly refresh your Outlook app in 2 quite common steps.

  • Firstly, close the application completely.
  • Then restart it.

If it was not an effective error-resolving attempt & the error “[pii_email_b47d29538f12c20da426]” still persists, then you must go for the following choices.

Upgrade MS Outlook

Not only Outlook, but many programs may stop working also in an outdated version. If you are intended to deal with the error with a highly accurate fixing strategy, then the upgrade option would probably be the best one. To upgrade your MS Outlook version:

  • Access the official Microsoft store.
  • Search out the MS Outlook app.
  • Click on the update option to upgrade it.

Use web-based Outlook version

If you have already upgraded the Outlook version, but still the error is not resolved, then the problem might be with Outlook software. To bypass the error “[pii_email_b47d29538f12c20da426]” that occurred due to using software-based Outlook, it is the best practice to use a web-based version of Outlook and perform a fresh login attempt. To do so:

  • Launch your browser.
  • Navigate to the official MS outlook site

Clear cache & cookies

If you are using a web-based Outlook version already, you are still experiencing the error “[pii_email_b47d29538f12c20da426]”. Then you need to clear out the cache & cookies stored on your system that is actually the cause of this error.

  • Launch your Chrome browser.
  • Click on the dotted icon on the top corner.
  • Select the settings.
  • Click on the privacy and security tab in settings.
  • Click on the clear browsing data option.
  • Checkmark all three choices and proceed on by clicking the button “clear data.”

Use variant windows version

The reports state that an incompatible windows version also contributes to causing this error; Windows 10 isn’t perfectly compatible with Outlook. If you are experiencing the error “[pii_email_b47d29538f12c20da426]” in windows 10, then you need to alter your windows version; you may either go for Windows 8 or Windows 7.

Note: Don’t rely on a single solution; it is recommended to try out all the explained solution in chronological order.


Many Outlook users’ reports against a common error [pii_email_b47d29538f12c20da426] encountered while launching the Outlook application. We analyzed the issue, figured out its causes, and all of the tested fixing ways stated in the above discussion are solely based on our analysis.

The error commonly arises due to outdated Outlook versions or incompatible Windows OS, and you can easily overcome the error by upgrading your Outlook app using a compatible windows version. Make sure you have already cleared the cache & cookies stored on your system.

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