What causes 0x800CCC90 Outlook error in Windows 10/11?
It’s a very unusual error, and there is no specific reason why it may occur. However, here are a few possible reasons this Outlook error might occur while sending or receiving emails:
Restriction in the number of POP3 connectionsPort blocked by ISPIncorrect login credentialsHindrance due to an external application
Fix Outlook error code 0x800CCC90
You can fix the Send/Receive Error Code 0x800CCC90 in Outlook by following these suggestions: Now let us see these in detail.
1] Create new Send/Receive groups
To fix Outlook error code 0x800CCC90, divide your POP3 account into smaller groups. Further, connect to these groups separately. Doing so will ease the process of sending and receiving emails. Here is how you can do it:
2] Use the Outlook Inbox tool
Microsoft Outlook offers an inbuilt Inbox Repair tool. This tool scans all Outlook data files and checks if they function correctly. Here is how to use it:
Navigate to the following folder according to your Outlook version.2021/19: C:\Program Files (x86)\Microsoft Office\root\Office192016: C:\Program Files (x86)\Microsoft Office\root\Office162013: C:\Program Files (x86)\Microsoft Office\Office152010: C:\Program Files (x86)\Microsoft Office\Office142007: C:\Program Files (x86)\Microsoft Office\Office12Launch the EXE file and select Browse to choose the .pst file you want to scan.Once you’ve selected the Outlook Data file, click on Start.If it scans any errors, click on Repair to fix them.Once the procedure is complete, launch Outlook using the Outlook Data file you just repaired.
3] Remove and Re-add your account
2021/19: C:\Program Files (x86)\Microsoft Office\root\Office192016: C:\Program Files (x86)\Microsoft Office\root\Office162013: C:\Program Files (x86)\Microsoft Office\Office152010: C:\Program Files (x86)\Microsoft Office\Office142007: C:\Program Files (x86)\Microsoft Office\Office12
If the error isn’t fixed, try removing and re-adding your Outlook account. Doing so can fix temporary bugs and issues you might be facing. Here is how to remove your account:
Open Outlook and click on File.Click on Account Settings, select the account you want to remove and click on Remove.Now, add that account and check if the issue persists.
4] Repair Outlook
If none of these steps could help you, consider repairing Outlook. It has been known to help most users get over this error. Here’s how to do it:
Similar Outlook errors during Send/Receive operation:
0x8004060c | 0x80042109 | 0x800CCC13 | 0x8004102A.What does server error 0x800ccc90 mean?The error code 0x800ccc90 in Outlook indicates an invalid response from the POP3 server. Usually, making your account settings up to date can fix it. However, you can also call your ISP and get the settings mailed to you. Doing so can eliminate human error.Read: Outlook is unable to connect to your incoming (POP3) email server
