How To Fix Outlook Error 0x800ccc0f, 0x80070002, 0x8004210B Errors?

outlook error 0x800ccc0f

One of the most troublesome issues faced by MS Outlook users is the error with a random alphanumeric code. What makes these error codes annoying is not only the fact that they prevent you from performing a task but also that they are impossible to understand. Some of such error codes that can appear in your MS Outlook program are:

  • Error 0x80070002
  • Error 0x8004210B
  • Error 0x800CCC0F

If you are seeing any of the above-mentioned errors when accessing or using the MS Outlook program, you can follow the below-mentioned steps to fix the problem.

Steps to Fix MS Outlook Error Codes

A.) Error 0x80070002

Error 0x80070002 occurs when you try to set up a profile name. If you are seeing this error in your MS Outlook program, you can follow these steps to correctly set up your email account.

1.) In your Outlook program, go to File > Account Settings > Manage Profiles option.

2.) Next, you will need to click on the Show Profiles option and select the Add option.

3.) Then, go to the Profile Name box, enter a name for the profile, and then click on the OK button.

Similarly, you can add your non-Exchange email account to your profile such as Gmail or Also, you change options for the data files of your account.

B.) Error 0x8004210B

Error 0x8004210B usually occurs when you are trying to send a message and the message gets stuck in the Outbox folder of your Outlook program. If you are seeing this error in your Outlook program when sending a message, you can follow these steps to fix the error.

When an email gets stuck in the Outlook, it is most likely because it contains a large attachment. In such a case, you can fix the problem by following these steps:

1.) Click on the Send/Receive option and select the Work Offline option.

2.) Next, go to the Navigation pane and click on the Outbox option.

3.) On the next screen, you can:

  • Delete the message by simply selecting the message and clicking on the Delete option.
  • Drag the email to the draft folder by double-clicking on the email and deleting the attachment (select it and press Delete).

4.) If you see an error message that says that Outlook is trying to transmit the email, close the Outlook.

NOTE: If Outlook doesn’t close, press ALT + CTRL + DELETE and select Start Task Manager. In the Task Manager, go to the Process tab and select Outlook.exe from the list and click on the End Process button.

5.) Once the Outlook gets closed, restart it and repeat the Steps from 2 to 3.

6.) After removing the attachment, go to the Send/Receive > Work Offline option to deselect the button and start working offline.

NOTE: Emails also get stuck in the Outbox when you hit Send but you aren’t connected. So, select Send/Receive and check the Work Offline button. If it is green in color, this means you are disconnected. Make sure to reconnect and then click on the Send All option.

C.) Error 0x800CCC0F

Error 0x800CCC0F occurs when you face problem sending or receive an email in your Outlook program. If you are seeing this error when sending or receive messages in your Outlook program, you can fix the problem by following these steps:

1.) Make sure your internet is working properly.

2.) Check if in case the Firewall is blocking MS Outlook incoming and outgoing emails. If the Firewall is blocking Outlook, make sure to allow it before trying to send or receive messages. To disable Windows Firewall:

  • Go to the Control Panel and select Network Connections
  • Next, right-click on the Internet connection which you are using. Then select Properties option from the pop-menu.
  • After that, go to the Security tab, turn off the Firewall.

In addition, to make sure that you have made the way for the incoming and outgoing emails in your Outlook program, it is suggested to manually add the incoming POP server name and Outgoing SMTP server name to your Outlook Email Accounts. To do this:

  • Go to Tools > Email Accounts
  • Next, choose “View or change existing e-mail accounts” option and hit Next. This will open the E-mail Accounts dialog box.
  • In the dialog box, click Add > POP3 and then click on the Next
  • Then, enter the correct information for your POP3 mail server, click Next and then Finish.
  • After that, check and rectify the Outlook account settings.

If the problem persists, go to the next step.

3.) Make sure that your Outlook profile settings are configured correctly. If you are not sure whether the settings are configured correctly or if you are unable to find which setting is wrongly configured, it is best to delete the current default profile and create a new one.

4.) Keep your Outlook and Outlook’s Outbox folder free from suspicious emails. This is suggested because sometimes suspicious emails or emails with un-trusted attachments can affect the functioning of your Outlook program. If you think there are such suspicious emails in your Outlook Inbox folder, delete them right away.

5.) Make sure to verify the MTU of your router. MTU us Maximum Transmission Unit which can cause issues while sending or receiving certain emails. Check it and make changes to Outgoing message sizes as required.

6.) Try starting MS Outlook in Safe mode. Doing so will launch Outlook in basic settings which means no add-ins are effective. If you find Outlook to be working fine in the Safe mode, delete the faulty add-in.

  • To open Outlook in Safe Mode, go to the Run Command.
  • Enter outlook.exe /safe in the dialog box.
  • Press OK.

7.) If none of the above-mentioned suggestions works in fixing the error, then a corrupt Outlook Data File could be the main reason behind the error. To fix the corrupt data files, Microsoft provided an inbuilt inbox repair tool – ScanOST.exe. Find this tool on your system and open it. After that, simply follow the instructions provided in it to fix the Outlook OST file.

8.) If even the above-suggested tool doesn’t fix the problem, it is suggested to Convert OST file to PST format and then import the converted PST in Outlook.

  • Once you are able to access your Data through Outlook, save it right away.
  • After that, delete the file and connect to the Exchange Server.
  • As the connection gets established, the OST will get recreated.
  • And, as you have already recovered your data using the previous OST, no data will be lost in performing this action.

And, these are the ways to fix the different error codes in your Outlook program.

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