Those using Outlook as their email client may found the [pii_email_a427253221614b6547d5] error code on their system at least once. Here we are looking to remove or fix the error so that Microsoft Outlook can work without any issue.

What is [pii_email_a427253221614b6547d5] error code?

[pii_email_a427253221614b6547d5] error is one common error that may appear if you are using multiple email accounts using the outlook email client.

As Outlook offers us to add multiple email account, whether it is a personal account or a work account, people add several accounts within the email client. But this can cause issues sometimes. Yes, the [pii_email_a427253221614b6547d5] error is also happening because of the same reason.

Once multiple accounts are added to Outlook, the email client tries to sync and fetch contents from the server altogether using some unique mechanism. But in some cases, these multiple syncs can cause some mixing, resulting in the [pii_email_a427253221614b6547d5] error.

How to Fix [pii_email_a427253221614b6547d5] Error

Solution 1: Restart PC

The first step is to restart the system to have a simple and quick check. If the issue is not resolved, please proceed with the next solution.

Solution 2: Sign out of all accounts

The next step is to sign out of all the accounts from Microsoft Outlook and sign in with at least 2 email accounts. And check whether the issue got resolved. If the error is gone, then you are good to add the remaining accounts.

But still, the [pii_email_a427253221614b6547d5] error is showing up, then proceed with the next solution.

Solution 3: Clear the cache

First, sign out from all the accounts as done above. After logged out successfully, clear the cache.

To clear the cache, follow the steps.

Step 1: Click on the start button on your windows.

Step 2: In the search bar, type “Disk Cleanup”.

Step 3: Once the Disk Cleanup utility opens, select C drive and click OK.

Step 4: Now, you can see one check item. From the list, check Temporary Files.

Step 5: Now, click OK, and it will clear the cache on your system.

Step 6: Restart the PC.

Once the PC starts up, try adding the emails one by one. Most probably, the issue won’t’s come up.

In rare cases, the issue may persist. In that case, we recommend you reinstall Outlook on the PC.

Even after doing all the troubleshooting fixes, you are getting the same [pii_email_a427253221614b6547d5] error. The solution remaining is to contact the official Microsoft support team.

Besides all the above points, please make sure not to use any pirated version of Outlook on your PC. Always use genuine software.