How to fix Outlook Error 0X800408FC on Windows 10

Posted by

Error messages normally hint you at the root of the difficulty you’re encountering. For this situation, the Outlook Error 0X800408FC message reveals to you that two factors cause it – you’re offline, or the worker’s name isn’t right. This is like the issue of messages stuck in the Outbox.

If you’re online, then you can nearly be certain that it’s an issue of an off base worker name. However, this isn’t generally the situation. After a Windows update, users have gotten this error, in any event, when their worker’s name is right.

The server name you entered cannot be found on the network (it might be down temporarily). Please verify that you are online and that the server name is correct.

Fix Outlook Error 0X800408FC

This guide shows you how to fix the Outlook error 0X800408FC. Follow the investigating steps beneath to fix your Outlook.

  • Confirm that you’re connected to the internet.
  • Right your Outlook email account settings.
  • Right your mail worker settings.
  • Permit Outlook files through your firewall.
  • PING your mail worker.
  • Use Outlook in Safe Mode.

Continue perusing as I separate the above solutions into itemized steps.

1] Confirm that you’re connected to the internet

Before you go insane investigating the Outlook Error 0X800408FC, you should know that the issue is most commonly a consequence of connectivity issues. In this manner, test your internet connection to be certain you’re online.

Check the organization icon on your taskbar to check whether it’s connected. If in question, float your mouse on it. If it says Not connected, that is the root of the Outlook error 0X800408FC. Then again, dispatch your internet browser and visit a random website, for example, If it doesn’t open, fix your internet.

2] Correct your Outlook email account settings

Another factor that can cause the Outlook error 0X800408FC is misconfigured Outlook email account settings, for example, inaccurate worker name. To fix this issue, you have to return to the planning phase and reconfigure your Outlook.

3] Correct your mail server settings

Dispatch Outlook and click on the File menu. Select Account Settings from the right-hand sheet. From the dropdown options, click on Server Settings.

Confirm that the username, secret key, worker, port, and encryption methods are correct. If in question, use the accompanying options where applicable:

  • Approaching worker (POP3) port: 995 or 993
  • Active worker (SMTP) port: 465
  • Imprint the My active (SMTP) worker requires an authentication checkbox.

After these, click on the OK button to spare your progressions and restart Outlook.

4] Allow Outlook files through your firewall

The Windows firewall shields your framework from pernicious exercises. Along these lines, this solution isn’t suggested. I prompt that you only give it a shot to check whether it’s the cause of the Outlook Error 0X800408FC.

Press the Windows key and quest for Firewall. Open Windows Defender Firewall with Advanced Security from the suggestions.

  • Select Inbound Rules and click on the Action menu.
  • From the dropdown options, select New Rule.
  • On the Rule Type window, pick the Program option and hit the Next button.
  • Select This program way and click on the Browse button. Go to the following path:
C:\Program Files\Microsoft Office\root\Office16

NOTE: The way might be different in your installation and Outlook version, particularly the Office16 part. Get your right directory by right-clicking on the Outlook icon and choosing Open file location.

  • In this directory, select Outlook.exe and hit Open. Click on the Next button to continue.
  • Select Allow the connection and hit Next.
  • Imprint the checkboxes adjacent to Domain, Private, and Public. Click Next.

At last, give the standard a name and optional description. Hit the Finish button to finish the cycle.

5] PING your mail server

Pinging is a systems administration measure that tests the communication between a specific channel. It’s additionally used for confirming that an organization’s destination is reachable.

To begin with, get the right mail worker and open Command Prompt. For this guide, we’ll accept that your mail worker is

In the Command Prompt window, type the accompanying command with the assumption of your mail worker:


Make sure to change the part to your genuine mail worker address. Hit the ENTER key subsequent to entering the above command to run it.

You ought to get a response from the mail worker or an error all the while. If the response says that the administration coordinated out or couldn’t discover the host, then the mail worker is down, inaccurate, or you’re offline.

6] Use Outlook in Safe Mode

Now that we’ve investigated the connectivity and Outlook account, the subsequent stage is to confirm that the Outlook application itself isn’t cart. For this, you use the Safe Mode.

This method additionally checks for issues on your profile. Here’s how to do it.

Press the Windows key and click on the pursuit box at the bottom.

Enter the accompanying command and hit ENTER.

outlook.exe /safe

Select a profile straightaway. If there’s an issue, you’ll promptly get a notification that demonstrates harm in your profile or conflict from add-ins or other software.

Leave a Reply

Your email address will not be published. Required fields are marked *