Outlook shows error Reported error (0x80042108): Outlook is unable to connect to your incoming (POP3) email server. when checking email.
Error code 0x80042108
indicates break in connection between the email-client such as Microsoft Outlook and POP Server configured in email settings on Outlook. Common reason for same could be,
- Non-standard POP server configured in Outlook settings. The POP Server specified in Outlook settings should be in the format mail.domainname.com
- An Anti-Virus or firewall installed on your PC maybe blocking POP connections. Please disable them and then try to check emails
- A corrupted PST (Personal Storage Table) file. Consequently, Outlook has an Inbox Repair Tool that fixes corrupted PST files.
If step 1 and 2 do-not resolve the issue and you suspect the issue could be Step 3, please visit link https://support.microsoft.com/en-gb/help/813514/error-when-send-or-receive-email-message-in-outlook-or-outlook-express
and carry out the steps to repair your PST file