[pii_email_0ab6c490b59ce2077446] When we send or receive mail to anyone, the error code is similar to a few numbers that cause a lot of trouble; it's like a virus. This error code appears when there is a problem with the installation or if you are using an older version of Microsoft Outlook, among other things. https://www.webtechmantra.com/how-to-fix-pii_email_0ab6c490b59ce2077446-error-code/