How to Fix MS Outlook’s [pii_email_9c55590039c2c629ec55] Error Code?


How to Fix MS Outlook’s [pii_email_9c55590039c2c629ec55] Error Code? The well-organized email management system in MS Outlook is one of its strongest features. You can categorize your emails in Microsoft Outlook according to user or client accounts. For company operations staff questions, sales orders, and management reports, to name a few, a continual flow of information is essential. However, if you get an error code similar to this one [pii_email_9c55590039c2c629ec55], we will do everything we can to help you.

When you encounter the [pii_email_9c55590039c2c629ec55] error code while trying to use Microsoft Outlook, it means that the program isn’t working properly. So, what’s the best approach to avoid getting an error code? This article will show you four simple solutions to the problem.


What’s the problem with [pii_email_9c55590039c2c629ec55]? A programming error has occurred.

  • You may be experiencing this issue as a result of having multiple Outlook accounts. If the cache is not cleaned, getting this error can be a problem.
  • Another option is to use Microsoft Outlook’s web application to prevent this issue.
  • The problem [pii_email_9c55590039c2c629ec55] is occasionally caused by software that has been installed on your computer.
  • If this is the case, you’ll need to uninstall the corrupted Outlook, reinstall it, and then update it to the most recent version of Microsoft Outlook.
  • If you’re still having trouble with the error, contact Microsoft for help.

Also Read: How To Solve QuickBooks Error Code 99001?

How to solve [pii email 9c55590039c2c629ec55] Error in just four easy steps:

Step 1:

  • Clear the cache and cookies in the first step.
  • The integrity of your previous strings and all associated data will be restored by clearing your cache and cookies. Clearing the cache could help you get rid of damaged or obstructed data packets.
  • Remove the Microsoft Outlook application from your computer. After a few moments, reopen it.
  • You’ll need to close a lot of accounts to fix this problem.
  • Download the most recent version of Microsoft Outlook and install it.
  • If your computer invites you to upgrade to an older version, you must do so and restart your computer.
  • Once the restarting operation is completed. Open MS Outlook and check to see if the error [pii_email_9c55590039c2c629ec55] has been fixed.

If the error persists, move on to step 2 (described below).

Step 2:

  • Install the most recent version of Outlook.
  • A poor software installation technique or a disagreement between MS Outlook and other e-mail accounts can sometimes create the [pii_email_9c55590039c2c629ec55] problem.
  • You must first uninstall the corrupted version of MS Outlook from your computer before you can repair it.
  • Finally, go to Microsoft’s official website and download and install the most recent version of Outlook.


Step 3:

  • Make use of Outlook’s Web App.
  • The simplest way to avoid the [pii_email_9c55590039c2c629ec55] error code is to choose the outlook web application from the navigation panel that shows when you click on the options in the upper corner.
  • In the MS Outlook’s App, use the light edition of the checkbox and click the Save button.
  • From the light edition, sign in with your Microsoft Outlook account.


Step 4:

  • Update Outlook if you’re still using an old version.
  • Make sure your computer can run the most recent version of Microsoft Outlook.
  • When you run Microsoft Outlook Setup on a computer that already has an older version of Outlook installed. All you have to do now is uninstall the previous version from your computer.
  • If Microsoft Outlook is out of date, it may have problems like [pii_email_9c55590039c2c629ec55].
  • The existing Office files will remain if you delete Microsoft Outlook before installing the new version. If your Office version includes Outlook, however, you should make a backup of your Outlook data files.
  • See Locate and transfer Outlook data files from one machine to another. If the error code continues to appear, contact Microsoft support for assistance.



Our main purpose is to help you fix the [pii_email_9c55590039c2c629ec55] problem code that appears when you try to use Microsoft Outlook. We made every effort to present you with the most up-to-date information on fixing this Outlook problem.

We hope that by following these directions, you were able to solve your problem. If you are still unable to resolve the MS Outlook problem number on your own, it may be considerably more challenging.

To get help, all you have to do is contact the Microsoft Outlook Support Team.