When sending and receiving emails from your Microsoft Outlook client, you may encounter the 0x800CCC90 error.
This error can occur due to several reasons.
It is also useful if you deal with some accounts more often than others.
To create a new Send and Receive Group:
2.
Launch the App in Safe Mode
If the error persists,launch the Outlook client in Safe Mode.
This works similarly toWindows Safe Modebut is limited to individual Microsoft apps.
To disable Outlook Add-ins:
3.
This should work if the error is triggered due to a temporary issue.
To remove and re-add your email account in Outlook:
4.
But you should be able to patch up the error using the troubleshooting steps in the article.
If the issue persists, check your third-party antivirus firewall configs.
Disabling the firewall temporarily can help you identify any conflict between the apps.
