What are the main causes of error 0x800ccc0f in Outlook?

Asked 25-Jan-2022
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1 Answer


The following are some of the most common causes of the MS Outlook error:

  • Outlook incoming and outgoing emails are being blocked by a firewall.
  • Damaged or corrupted OST files
  • Exchange server or internet connectivity issues
  • A problem with the server's settings.
  • Outlook profile PST file size is bigger than the maximum size limit due to incorrect settings or corruption..
  • I hope this answer would help you to know about the main causes of error in outlook

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