Outlook IMAP Error 0x800CCCDD

Max Tegmark
Max Tegmark Last Updated: May 19, 2022

Software: Office 2010, 2013 & 2016 | Last modified on 2018-06-19

This is caused through the protocols that Outlook is using to connect to the IMAP server. Outlook uses a NOOP command and some servers don't accept this command by default. You can either change the way Outlook interacts with the server or allow the server to handle the NOOP commands.

[Solution 1] Disable automatic send/receive


  1. Open the Outlook app.
  2. Open File and click Options.
  3. Open Send/Receive... and untick Schedule an automatic send/receive every x minutes.
  4. Restart the Outlook app.

Max Tegmark
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Max Tegmark

Max Erik Tegmark is a Swedish-American physicist, cosmologist and machine learning researcher. He is a professor at the Massachusetts Institute of Technology and the scientific director of the Foundational Questions Institute.


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