Outlook Cannot Send or Receive Email? 6 Common Error Codes and How to Fix Them
Category: Productivity | Date: 2026-06-25
Outlook showing 0x800CCC0F error, outbox stuck, or not receiving new emails? From SMTP settings to PST repair, password updates to full mailbox fixes — we cover every common Outlook issue.
Article Summary
Last updated: June 2026 | Written by IT SUPPORTKING Technical Team Common Outlook Error Codes and Fixes Outlook email issues are among the most frequent IT support calls in Hong Kong offices. Here are the most common errors and their fixes: 0x800CCC0F: Server timeout — check internet, disable antivirus email scanning, verify server settings. 0x800CCC0E: Cannot connect — usually firewall/antivirus blocking. 0x80042108/9: Cannot connect to incoming server — verify IMAP/POP3 settings and app passwords. 0x80040119: PST file not found — run SCANPST.EXE. Fix 1: Verify Server Settings For Microsoft 365: Incoming outlook.office365.com:993 SSL/TLS, Outgoing smtp.office365.com:587 STARTTLS. For Gmail: imap.gmail.com:993, smtp.gmail.com:587 — requires app-specific password with 2FA enabled. Fix 2: Re...
Read Full Article