Fix Outlook Email Reception & Sending

I'm currently facing a technical problem with my Outlook email. I'm unable to send or receive any emails. To make the matter worse, I'm met with an error message each time I try to receive any emails. I am looking for a skilled and professional individual who can detect and fix these issues.

Ideal Skills & Experience:
- Experience with Outlook troubleshooting
- Understanding of possible causes for email sending/receiving issues
- Ability to communicate technical solutions clearly

Responsibilities:
- Identify the root cause of the issue
- Correct the problem to restore both sending and receiving functions
- Explain the issue and the solution in layman's term

Please bid with related work experience and your proposed solution process.