The error ‘0x800ccc0e’ in Outlook may occur due to conflict with antivirus/firewall, incorrect port numbers, suspicious emails, or corrupt Outlook profile. The error may also occur due to a corrupt PST file. To repair minor corruption in PST, you can use Outlook’s in-built utility - ScanPST.exe. If it fails, use Stellar Repair for Outlook that can repair severely corrupt PSTs of any size. Read how you can fix the error code '0X800CCC0E' in Outlook.