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user_lsk81d
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Saturday, February 28th, 2026 4:04 AM

outlook stopped connecting to comcast

When I got home from a vacation on 2/25/2026, I discovered that MS Outlook can no longer connect to Comcast and that somehow New Outlook got loaded on to my PC. (I live alone, so no clue how that happened.) When I click Send-Receive, an error message displays the error code 08x00CCCE "Cannot connect to the server." I uninstalled New Outlook, but Classic Outlook will still not connect to Comcast. It throws that same error code. I just spent an hour on the phone with two Comcast support people and neither one knew what to do. The second one created a ticket and said it'll be up to three days for someone to get back to me. (That is unacceptable.) How do I reconnect Outlook Classic to Comcast?

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27 days ago

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MichaelWA

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37 Messages

28 days ago

Same message here.   I can access my Comcast email just fine on my iPhone and iPad using Apple's mail client.  I am not using New Outlook and have not changed my longstanding IMAP and SMTP settings for Comcast.

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XfinityKassie

Official Employee

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2.4K Messages

 

MichaelWA Thank you for reaching out for assistance with your Comcast email concerns through our Xfinity Forums. Are you able to access through the link provided by my collegue? Additionally, some customers were successful with toggling Third Party Email access off, and then turning it back on again. Can you please try these and let us know if that works for you? 
 

 

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28 days ago

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MichaelWA

Contributor

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37 Messages

@XfinityKassie​ I don't know if the toggling is what did the trick, or maybe it was my removing the Comcast account and then adding it back to Outlook - but I seem to be up and running again, in either event.  

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27 days ago

XfinityJeff

Official Employee

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777 Messages

That is great to hear @MichaelWA, and thanks for sharing what fixed it for you, hopefully that will work for others.

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

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27 days ago

XfinityQuemekia

Official Employee

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1K Messages

28 days ago

I'd like to apologize for the frustration this has caused, especially after coming home from vacation! I completely understand that a three-day wait feels like an eternity when you rely on your email @user_lsk81d. To confirm, are you able to access your emails by going here:

https://connect.xfinity.com/appsuite?

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