What is [pii_email_e80c99419553948887a9]

[pii_email_e80c99419553948887a9] is an error code that can occur when using Microsoft Outlook, and it is generally related to issues with the Outlook application or its settings. This error code can be caused by a variety of factors and can be difficult to diagnose without more information.

Like most Outlook errors, the [pii_email_e80c99419553948887a9] error may be caused by incorrect settings or configuration, conflicts with other email accounts or software, problems with email server settings, or issues with the user profile in Outlook.

Main Cause of [pii_email_e80c99419553948887a9]

The main cause of the [pii_email_e80c99419553948887a9] error is not clear cut, as it can be triggered by a number of factors. However, here are some common causes that can lead to this error:

  1. Outdated or corrupted Outlook software: An outdated version of Outlook that has known bugs or compatibility issues can cause the error. Corrupt files within the Outlook application can also trigger the error.
  2. Conflicting software: Conflicts with other email accounts or software can lead to the error. For example, if you have installed a third-party add-in that is not compatible with Outlook, it could be the cause of the error.
  3. Incorrect settings: Incorrect settings or configuration within Outlook can also cause the error. This may include incorrect server settings, incorrect email address formats, or incorrect password settings.
  4. Firewall or antivirus software: If you have firewall or antivirus software running on your computer, this could be interfering with Outlook and causing the error.
  5. Damaged PST file: The error may also occur if your PST file (Personal Storage Table file) is damaged. This is the file that contains all of your Outlook data, such as your emails, contacts, and calendar.

It’s important to note that the exact cause of the error may vary, and the steps to resolve it may also vary depending on the underlying issue. If you are unable to determine the cause or fix the error on your own, it’s recommended to seek assistance from Microsoft support or a qualified IT professional.

How to Fix [pii_email_e80c99419553948887a9] errorĀ 

Sure, here are some detailed steps you can take to fix the [pii_email_e80c99419553948887a9] error in Microsoft Outlook:

  • Update Outlook: The first step is to make sure you are using the latest version of Outlook. Go to File > Office Account > Update Options > Update Now to check for and install any available updates.


  • Clear the Outlook cache: Clearing the Outlook cache can often resolve the error. Go to File > Options > Advanced > Outlook Data File Settings > Open File Location > Delete all the files in the folder that opens.


  • Check your email server settings: If your email server settings are incorrect or outdated, this can cause the error. Go to File > Account Settings > Account Settings > select the email account causing the error > Change > More Settings > Advanced > check the server port and encryption settings.



  • Disable antivirus or firewall software: Sometimes, antivirus or firewall software can interfere with Outlook and cause the error. Temporarily disable these programs and see if the error goes away.


  • Repair or reinstall Outlook: If none of the above steps resolve the error, you may need to repair or reinstall Outlook. Go to Control Panel > Programs and Features > find and select Microsoft Office > click Change > select Repair or Online Repair.


  • Create a new Outlook profile: If the error persists, try creating a new Outlook profile. Go to Control Panel > Mail > Show Profiles > Add > enter a name for the new profile > enter the necessary account information > set the new profile as the default profile.


  • Check for PST file corruption: If the [pii_email_e80c99419553948887a9] error is caused by a damaged PST file, you may need to use the Inbox Repair tool to fix it. To do this, close Outlook and navigate to the Scanpst.exe file on your computer. Run the tool and follow the instructions to scan and repair your PST file.


  • Contact Microsoft support: If you have tried all of the above steps and still cannot resolve the error, contact Microsoft support for further assistance. They may be able to provide additional troubleshooting steps or escalate the issue if necessary.

It’s important to note that the exact steps to resolve the error may vary depending on the specific cause of the error. If you are unsure of how to proceed or are uncomfortable troubleshooting the issue on your own, seek assistance from Microsoft support or a qualified IT professional.