This article describes the Microsoft Outlook 2021/2019 Error code 0X800CCC80. It is not working properly with an error While some performing actions like Sending or Receiving emails or configure emails etc., This maybe looks like An Unknown Microsoft 2021 Error code 0X800CCC80 has Occurred, . In this case, you have to repair the Outlook PST file using Microsoft’s Outlook Inbox Repair Tool (Scanpst.exe).

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