When you see the error [pii_email_5b2bf020001f0bc2e4f3] on your screen, you should analyse your system and the programme thoroughly. The code isn't the issue; you'll need to address the underlying issue that's causing these erroneous codes to appear.
Despite the fact that MS Outlook is a stand-alone email client, it can be harmed by a variety of system-related technical faults. The first thing you should do is double-check that your MS Office Suit application package is working properly.