When Outlook throws up a certificate warning and won’t let you send or receive mails, your mailbox file might be damaged. This article explains how to
fix Outlook Certificate Error by repairing the underlying PST file with the right tool. The Outlook PST Repair software provides multiple scan modes (Quick and Advanced) that suit different corruption levels. It also allows exporting the repaired data into formats like PST, EML, and MSG for flexibility in how you use your recovered emails. Additionally, it supports large PST files without crashing, so you can recover big archives smoothly.