You must have seen the 0x800cccof outlook error with the message that the connection to the server is interrupted. Furthermore, the app notifies you that if the problem persists, then you must contact the server admin or ISP provider to fix the error. The technical experts have the knowledge that can help to fix the error. However, non-technical people will find it hard to resolve.
So, today, we will explore the ways that can be useful to repair the error with any repercussions. We have gathered 9 effective methods that can resolve this issue right away.
As the 0x800cccof outlook error appears without any warning, most users don’t know what to do about it. So, the first thing to carry out is to gain some insight and understand the reasons behind this error. The common causes behind this error are listed here:
The OST file is corrupted
There is some technical issue with the server settings
Some problem with the Exchange Server or Internet Connectivity issue
A firewall interrupting or blocking the incoming and outgoing messages of Outlook
Incorrect Outlook Profile Settings
Corrupted Outlook Profile and data
With all these reasons, it seems impossible to figure out the real cause and then fixing the issue. Fortunately, it is not that hard. With so little knowledge of the Outlook application, you will be able to fix the error easily and quickly. Now, let's explore the ways together.
Here is the list of 9 ways that will help all users to resolve Microsoft error 0x800ccc0f. Try them one by one and see which one fixes the issue.
Way 1. Check for Connectivity Issues:
The first and foremost thing to check when the 0x800cccof outlook error arises is your internet connection. Make sure that you are connected to a stable and robust internet connection. Just open your browser and search for anything. If the webpage doesn't open up, then troubleshoot the network connectivity issue. Check the Wi-Fi signal or Ethernet Cable connection and verify that there is no problem with internet access.
Way 2. Disable Anti-virus and Windows Firewall:
Disabling Windows Firewall and Anti-Virus software might also be a good fix for the 0x800cccof outlook error.
Step 1: Open the Control Panel and head to Network Connection Settings. Make a Right-click on the type of internet connection to open the Properties menu. Choose the Security tab and then switch off the Firewall.
Step 2: As you switch off the Firewall, you will have to manually add the outgoing SMTP server details and incoming POP server name in the account.
Step 3: Open Outlook and go to Tool > Email Account > View or Change existing email accounts > Next and click on the Add option.
Step 4: Click on the POP3 option and again press Next. Enter the information of your POP3 mail server and hit "Next" one more time.
Save the settings and exit outlook to see if the problem is fixed. While you are manually setting up the server, make sure that you do it with precision.
Way 3. Start MS Outlook in Safe Mode:
Another thing that you can try to fix the 0x800cccof outlook error is starting the Outlook application in Safe Mode. Before entering the safe mode, disable the add-ins of your account.
Go to the Start menu and open the Search box and type outlook.exe/safe and click ok. This will run the application in safe mode, and the error will also get resolved.
Way 4. Check Outlook Profile Settings:
There is a slight possibility that your profile settings are interfering with the send and receive protocol and causing 0x800cccof outlook error. So, check if the settings are appropriate or not, such as password authentication, server name, address of POP3 or SMTP server, etc. Try changing some settings to see if that allows you to send and receive emails or not. Also, make sure that your account is set as the default account for Outlook.
Way 5. Create a New Profile:
If you don’t know the actual default settings for Outlook, then to fix the 0x800cccof outlook error, you will have to create a new profile.
Step 1: Open Microsoft Outlook and go to File> Account Settings > Manage Profiles > Show Profiles > Add.
Step 2: Then add the outlook profile details and save it. Once the Outlook profile is created, you will see it in the profile list. Click on the new profile and select "Options." Under the Options menu, set the profile as default and check if the error still exists or not.
Way 6. Clear up Suspicious emails from Outlook Inbox and Outbox:
There is a possibility that one or some emails have a virus in it, and they are affecting the application. This will also lead to the 0x800cccof outlook error. So, check your Outlook Inbox and Outbox and delete the suspicious emails.
You need to select the email and right-click on it. In the list, you will see the Delete Email option, and it will be moved to the Deleted folder. Also, make sure that you empty the deleted folder as well.
Way 7. Verify your Router’s MTU:
If you contact your ISP or other service providers, they will suggest changing the MTU settings to fix the 0x800cccof outlook error. For this, you must know some terms such as Ping, URL or local address, and some CMD commands.
Run a ping test for your Routers such as ping www.mail.com -f -l 1472, and you will be able to determine the MTU status. If the settings are incorrect, then you will have to change them or contact a professional to change the settings.
Way 8. Use Inbox Repair Tool:
Consider running the Inbox Repair Tool to fix the 0x800cccof outlook error if you are doubtful that the OST or PST file is causing problems.
Step 1: Find the folder where Outlook files are saved and then find the file names as- scanpst.exe and launch it.
As you run this tool, it will fix the errors with OST and PST files and make sure that you use the Outlook account again.
Way 9. Repair Corrupted Outlook PST files:
After trying so many methods, if nothing can help you to resolve the 0x800cccof outlook error, then we suggest relying on a third-party tool for repair. And we recommend taking help from a professional repair tool such as Stellar Outlook Repair. With the help of this software, you will be able to extract and restore the mailbox data even after the corruption of the PST file.
Just get the 100% secure software downloaded on your system and finish the setup. As soon as it is ready for use, follow the step by step guide below:
Step 1: Run the Program and Add File:
Launch the software and click on the Select Outlook PST option. Add the file from the system and use the Find option to locate the PST file.
Step 2: Repair the File:
Hit the Repair option to start the process and wait patiently as the software performs repairs on the file. You can see the progress on the screen.
Step 3: Preview and Save:
Now, it is time to take a look at the repaired file and save it on the system. Press the Save Repaired File button at the top and choose the PST format. Then wait for the file to save as it can take some time and finally press the Ok button.
Now, you will no longer see the error in your Outlook account, and all your data is also safe and sound.
Here are the useful articles to help you.
1. Outlook Mailbox Is Full Can’t Send Messages Error.
2. Fix Outlook an Unexpected Error Has Occurred Issue.
3. Solutions to Outlook Error 0x800ccc13 Cannot Connect to Network.
The Bottom Line:
At last, we have a guaranteed solution to fix the 0x800cccof outlook error. From now on, whenever you experience this issue on your system, you know that relying on Stellar Outlook Repair is the right move. So, we recommend all our readers to use this software when their Outlook application is not working properly. Don’t forget to tell your friends and family about this tool as well.