Start Outlook in a secure mode.
The safe mode option in MS Outlook can be used to solve the Outlook express error 0x800ccc0f. It starts the application with the most basic options. Furthermore, any add-ins must be disabled because there may be incorrect add-ins present.
Follow the steps below to start Outlook in safe mode:
Step 1: Go to 'Run' and type outlook.exe/safe in the dialogue box that appears.
Step 2: Click 'OK,' then try to receive or send a message.
Now check if your error is resolved or not
