Outlook Send/Receive error can occur due to a number of reasons, including connectivity issues with the mail server, incorrect account settings, or issues with the Outlook program itself. Some common error codes include 0x800CCC0E, 0x800CCC13, and 0x800CCC90. To resolve the issue, check your internet connection, verify your account settings, and try restarting Outlook. If the problem persists, try running the Outlook troubleshooter or repairing the Outlook installation. For more information visit our website.