How to Fix Outlook Error 0x800ccc0f – Top 6 Methods

Microsoft Outlook is the most used email managing application among users to send and receive emails. It allows you to manage your calendar, store names and numbers of your contacts, track your tasks, and access attachment files. In addition, if you are a daily user of Outlook, you know that it has built-in capabilities to handle multiple accounts connected with multiple servers like Exchange Server, Microsoft 365, IMAP, POP, etc. In respect of this, users can easily manage their personal or professional information by sending and receiving it. But sometimes, users report the cause that they fail to send or receive SMTP-based emails as Outlook fails to connect to the mail server and shows error 0x800ccc0f.

This error 0x800ccc0f usually occurs on all MS Outlook versions like 2019, 2016, 2013, 2010, etc., and there are multiple reasons behind its occurrence, like firewall settings or damaged OST files. In this blog, we will describe the multiple manual solutions that help you to fix Outlook error 0x800ccc0f and allow you to rebuild the connectivity with the server again. On the other hand, we also suggest a professional utility- DRS OST File Repair Tool, which helps to restore all the mailbox items from the corrupt or damaged Offline data file(.ost).

What is Outlook Error 0x800ccc0f?

This Outlook Error 0x800ccc0f error occurs when the mail client (Outlook) cannot contact the MailEnable server. The most common reason behind this issue is a firewall prevents connectivity between the client and the server.

There is also a possibility of an error number: 0x800ccc0f when the SMTP-based email send/receive operation fails. An Outlook sends/receive Progress wizard displays the error:

Reasons Behind the Outlook Error 0x800ccc0f

This error does not show any initial symptoms, as it blocks your sending and receiving emails process. So, before moving to the solution part of How to resolve error 0x800ccc0f in Outlook, let’s look at the common reasons behind it:

• Slow working of the Internet connection while we establish connectivity with the Exchange server.
• The firewall blocking is also why the MS Outlook outgoing and incoming messages do not work.
• An error also occurs due to incorrect Outlook or corrupted Outlook profile settings.
• Technical issue or error in the server settings.
• This issue also occurs if your OST file is corrupt or damaged.
• Error is your network firewall, which blocks establishing the connection between Outlook and the Mail Server.

A similar error you might face: “Outlook Error 0x80070057“

Methods to Fix Outlook Error 0x800ccc0f

Several methods claim to troubleshoot Outlook error 0x800ccc0f Windows 7 and on all other Windows versions. Here, we shared a few manual methods and professional utilities, i.e., OST Repair Tool, which helps to fix all types of Outlook/Exchange OST file errors. But before proceeding with the steps, ensure you disable the network firewall.

Method 1: Check the Connectivity Issues

If you want to resolve the receiving reported error 0x800ccc0f in MS Outlook, you first have to check your machine’s connection with the Exchange server. To do so, you need to check both the Internet connection and access gateway connection to the Exchange server. Note:- Here, you must always ensure that your configuration and settings are correct and that everything is in place.

Method 2: Turn-Off the Antivirus and Firewall

Windows Firewall and Antivirus application are also reasons behind the Outlook send receive error 0x800ccc0f and block incoming or outgoing emails. So, to verify if this is an issue behind this error, try to turn off the Antivirus and Windows Firewall by following these simple steps:

• Enter the Control Panel in the search bar and open it.
• Here, click the Network and Sharing Center.

• In the Network and Sharing Center wizard, click on the Windows Defender Firewall option.

• Click on the option Turn Windows Defender Firewall on and off on the left panel.

• Enable the Turn off Windows Defender Firewall(not recommended) option in the Public Network Setting. Click Ok.

Also Read: How to Open OST File into Outlook 2019, 2016, 2013, 2010?

Method 3: Check Outlook Profile Settings

Sometimes, an issue in the Outlook profile is also a reason behind the error 0x800cc0f. Thus, check your default Outlook profile settings and see if it is incorrect or correct. However, if you are unsure whether your profile is right or wrong, just delete it, create a new one, and set it as a default. As a result, it may help you to fix Outlook error 0x800ccc0f while sending or receiving emails.

Method 4: Try to Clean Up Suspicious Emails from Outlook

A suspicious email with an unauthorized or untrusted source and unusual attachment files is also a reason behind this error; thus, if you find that type of email in your mailbox, then try to clear it before it causes multiple other issues in the mailbox. However, even if your mailbox is full of storage, try to free up the storage space. Finally, try to send an email and check whether the error is resolved or not.

Method 5: Start your MS Outlook in Safe Mode

Running MS Outlook in safe mode is also an Outlook error 0x800ccc0f solution. Thus, if a faulty add-in causes the error, this fix will help you identify it and fix the problem by disabling the faulty add-in.

• To start Outlook in safe mode, click Windows key+ R.
• Here, type outlook.exe /safe and click Enter.
• Once you open Outlook in safe mode, try to send or receive an email to check if the error 0x800ccc0f is fixed or not.

Method 6: Use the Inbox Repair Tool

If none of the above methods works for you to fix the Outlook Error 0x800ccc0f, your Offline Outlook data file(.ost) is corrupted, which is the reason behind the issue. MS Outlook comes up with a built-in utility, i.e., Inbox Repair Tool, which helps you to fix minor issues with Outlook data files. Follow the steps given below to fix this:

• Search for the SCANPST.exe tool as per your Outlook version.
• Double-click on it to open.
• Click the Browse button to select the Outlook data file.
• After that, tap Start to begin the scanning process.
• If it shows any minor issues, try to repair it.
• For this, click the Repair button to fix the problems with the OST file.

Once you repair your OST file, add it to Outlook and restart it to check whether the issue is fixed or not. However, if ScanPST.exe cannot resolve minor problems with the OST file, then your file has severe corruption or damage. In that case, you need to use the professional solution- DRS OST Recovery Tool, which helps fix all types of errors in OST files.

The software is well-equipped with built-in features that allow users to restore mailbox items like email messages, contacts, calendars, tasks, and other mailbox items from corrupt or damaged OST files. In addition, this utility works with all the OST files created by multiple Exchange and Outlook versions.

Conclusion

This post taught us all the possible reasons and methods to help users fix Outlook Error 0x800ccc0f. We learned the manual and professional methods, which is helpful for you to troubleshoot any types of OST file errors. I hope this error information is beneficial for you.

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