Sync is not working in new Outlook

dianne scheuer-pfeiler 20 Reputation points
2026-08-08T18:59:22.38+00:00

Sync in no longer working in Outlook

I cleared the cache

Outlook | Windows | New Outlook for Windows | For home
Answer accepted by question author
John Jefferson Doyon 87,515 Reputation points Independent Advisor
2026-08-08T20:13:01.98+00:00

I am using another email provider emails come in fine when I use webmail I moved back to classic outlook and all the emails come in fine.

Hi,

Thanks. Since the emails arrive normally in webmail and also sync correctly in Classic Outlook, this does appear to be specific to New Outlook rather than your email provider itself.

There have been reported issues with third-party accounts in New Outlook, although Microsoft does not currently list a general third-party/IMAP sync issue as an active known issue.

For now, continuing to use Classic Outlook is a reasonable workaround.

Could you let me know who your email provider is? This may help narrow down whether New Outlook is having a compatibility or authentication issue with that provider.

Microsoft references:

Fixes or workarounds for recent issues in New Outlook for Windows:

https://support.microsoft.com/en-us/support/known-issues/fixes-or-workarounds-for-recent-issues-in-new-outlook-for-windows

New Outlook supports third-party accounts, including accounts connecting through IMAP:

https://support.microsoft.com/en-us/outlook/getstarted/getting-started-with-the-new-outlook-for-windows

Thanks!

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  1. dianne scheuer-pfeiler 20 Reputation points
    2026-08-08T19:55:56.2766667+00:00

    The system keeps deleting my response "due to code of conduct"

    What am I doing wrong

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  2. dianne scheuer-pfeiler 20 Reputation points
    2026-08-08T19:54:19.98+00:00

    I am using another email provider

    emails come in fine when I use webmail

    I moved back to classic outlook and all the emails come in fine.

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  3. dianne scheuer-pfeiler 20 Reputation points
    2026-08-08T19:52:05.7566667+00:00
    1. I am using another provider - Spectrum - roadrunner.com
    2. I sign in to webmail at Spectrum and I receive all emails
    3. I moved over to new Outlook >1year ago with no problems
    4. on my mobile device, which is Samsung, Outlook works fine
    5. The issue with sync started yesterday 8/7.
    6. I moved back to Classic Outlook and send/receive brought in all the emails.
    7. using Windows 10

    Thank You for any guidance you can provide.

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