How to Fix Outlook Error 0x800408FC? [5 Solutions]

In this article, you will get to know of all the various methods that can fix the 0x800408fc error. It also includes the usage of application software that can fix the issue with ease.

Part 1: Causes of Outlook error 0x800408FC

Error code 0x800408FC in Microsoft Outlook may occur for the following reasons:

Part 2: 5 Solutions to Fix Outlook error 0x800408FC

Here are some solutions to fix error 0x800408FC in Outlook

Method 1: Check Internet Connection

Outlook error 0X800408FC is usually triggered by connectivity issues. Therefore, verify that you have a reliable and stable internet connection. To check the network, hover your mouse cursor over the internet icon. If it says "Not connected," this could be the source of the Outlook error.

Another way to verify your internet connection is to open a web browser and navigate to a random website, such as stellarinfo.com. If the website fails to load, this indicates that there is a problem with your internet connection.

You can check your modem, router, or other network equipment. Also, check the cables and wires to make sure they are connected properly.

Method 2: Disable TCP/IPv6 Protocol

One of the most effective ways to fix error 0x800408fc is to disable the TCPIP/IPv6 (Internet Protocol Version 6) in your active network adapter. The following steps will guide you through implementing it.

Step 1: Press 'Windows' and 'R' keys, to open the Run command dialog box.

Step 2: Write 'ncpa.cpl' in the box and press 'Enter.'

Step 3: Now, double-tap on your active network adapter.

Step 4: Click on 'Properties.'

Step 5: Uncheck 'TCP/IPv6' and click on 'OK.'

Now, launch Outlook to check if the issue is resolved or not.

Method 3: Change Mail Server Ports

The second most efficient way to fix the 0x800408fc error is to change the incoming/outgoing mail server ports in the Outlook mail program. Follow the steps to know how to do so.

Step 1: Open Outlook.

Step 2: Click on 'File' and open 'Account Settings.' You will see an email tag.

Step 3: Double-tap on your email account to change its settings.

Step 4: Click on the 'More Settings' tab.

Step 5: Now, in the 'Outgoing Server' tab, select the box named 'Outgoing server requires authentication.'

Step 6: Open the 'Advanced' tab and implement the following settings.

Step 7: Check the box 'This server requires an encrypted connection SSL.'

Step 8: In case you are using an IMAP account, set the Incoming Server Port to 995 or 993.

Step 9: Now, set 'Use the following type of encrypted connection' to 'SSL.'

Step 10: Tap on 'OK' to save changes and restart Outlook.

Method 4: Check that the Mail Server is Up and Running

Another effective way to fix the 0x800408fc error includes examining the 'ping' command. It helps you to check if the mail servers are easily reachable from your network. For instance, if the name of your email server is 'mail.example.com,' when you write it in command prompt and press 'Enter,' you will get 'ping mail.example.com.'

Now, if you don't get any revert from the mail server, but you can visit other internet sites by using your web browser, then it's a different issue. In such a case, you must check your firewall settings. You can also speak to your email service provider to check whether the mail server name is correct or not.

Method 5: Try the Professional Outlook Repair Tool

If you want to repair PST files, various DIY ways can help you with the process. Depending on the cause of the corruption of PST files, DIY methods may not be the best solution to solve the problem. In such cases, you can use the repair tool.

Wondershare Repairit for Email is amongst the best software applications that can repair PST files.

The main features of Repairit for Email:

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• Repair damaged PST & OST Files in Outlook in all Email corruption scenarios, such as hard disk crashes & bad sectors, virus attacks & tojan horse, outlook corruption & malfunctions, improper shutdown procedure, etc.

• Restore Outlook emails deleted for a long time and extract the email messages, folders, calendars, etc. within seconds.

• Restore Outlook Emails deleted for a long time with a very high success rate.

• Repair emails in bathes without size limits and support to preview all of them before saving.

• Compatible with Windows 7/8/8.1/10/11, Windows Server 2012/2016/2019, and MacOS X 10.11~ MacOS 12 (Monterey).

To do so, download Repairit for Email and follow the steps mentioned below.

Step 1: Add PST files

As when you launch the application, you will have to choose PST files for repair, please click on the "+Select File" button.

Upload the corrupt PST files by clicking the "Find" option, then click the "Repair" button to start the repair process.

Step 2: Repair PST files

Repairit is now scanning and fixing the corrupted files, just wait for a moment.

Step 3: Preview and Save

You will get a preview of all the corrupted/deleted PST files. It includes all the restored emails, contacsts, calendars, and more. Click on the "Save" tab to save the fixed files.

The Bottom Line

Outlook error 0x800408fc is one of the typical mail server connectivity issues that can prohibit the incoming and outgoing mails over the server. But it is not that big of an issue and can happen because of various reasons. With Wondershare Repairit for Email, you can easily solve the issue and repair the PST files.

Make sure that you follow the process as described in the article.