How to Fix the 0x800CCC90 Outlook Error When Receiving Emails on Windows

How to fix Outlook error 0x800CCC90 on Windows so you can access your email again.

Error 0x800CCC90 may appear when sending and receiving emails from your Microsoft Outlook client. This error can occur for several reasons.

Some common factors are multiple POP3 accounts in your Outlook profile, port blocking, and Outlook client issues. If your email client is affected by this error, here are some troubleshooting steps you can try to fix the error in Windows.

1. Create and configure a new send and receive group

A common factor that contributes to the 0x800CCC90 error is the presence of multiple POP3 accounts. To fix the error, you can create smaller send and receive groups in the Outlook client. It’s also useful if you deal with some accounts more often than others.

To create a new send and receive group:

1. Start the Outlook client on your PC.
2. Next, open the Send receive Tab in the toolbar.

3. Then click on the Send/Receive Groups Drop down and select Define send/receive groups.
4. In which Send/Receive Groups dialog box, click the New Button.

5. Enter a name for the group here and click OK.
6. Next, select an account under accounts Section.
7. Now check the Include the selected account in this group Possibility.

8. Under Account optionschoose send mail and receive mail options.
9. Next select the inbox possibility under the Folder Options Section.
10. Choose Download full article including attachments Possibility.
11. Repeat the steps to configure additional accounts and click OK and Close to save the changes.

2. Launch the app in safe mode

If the error persists, start the Outlook client in safe mode. Safe Mode will open the app in its default state and help you determine if a third-party add-in is causing the error. This works similarly to Windows Safe Mode, but is limited to individual Microsoft apps.

To open the Outlook app in safe mode:

1. Press the Win key and type “Outlook” to search for it in Windows search. Don’t select it immediately when it appears.
2. Next, hold down the ctrl key on your keyboard and double-click it Outlook shortcut to start the app. Don’t release them ctrl button until you see the security mode prompt.
3. click Yes to confirm and start Outlook in security mode.

4. Next, select a profile (Outlook) and click on it Yes.

5. In Safe Mode, check if there is error 0x800CCC90 when sending or receiving the email.

If not, follow the steps below to identify and remove problematic plugins. To disable Outlook add-ins:

1. start the outlook Client.
2. Click on file and then click options.

3. In which Outlook options dialog, open the add-ins Tab.
4. Click at the bottom of the page walk button for Manage COM add-ins.

5. In which add-ins Uncheck all add-ins and click OK.

6. Next, restart the outlook Client, enable all add-ins and see if the error persists.
7. Enable all add-ins one by one until you find the problematic plugin.

3. Remove and re-add your email account

Another handy solution you can try is removing and re-adding your email account. This should work if the error is thrown due to a transient issue.

To remove and re-add your email account in Outlook:

1. Start the Outlook client and click file.
2. In the right pane, click the Account settings Drop down and select Account settings.

3. In the pop-up dialog box, select the account you want to remove and click on it Remove.
4. click Yes to confirm the action.

5. To add the account again, open Account settings and click New.
6. Enter your account information to log in.

4. Repair the Outlook client

You can run the built-in repair tool to find and fix Outlook client problems. Because the Outlook app is part of Microsoft Office, you’ll need to run the full Office suite repair tool to try to fix problems with the app.

Make sure you save your open documents and close any Microsoft Office apps if they are running before starting the repair process.

To run the Outlook repair tool:

1. Press victory + me to open settings.
2. Next, open the applications tab in the left pane.

3. Click on Apps & Features and wait for the apps page to load.
4. Find yours here MicrosoftOffice Execution.
5. press the Three point menu next to the app name and select Change.

6. Select in the repair dialog Online Repair. This option requires an active internet connection and will take a little longer. If not, choose Fast repair.

7. press the repair button and then click repair again to start the process.
8. Once done, restart your PC and check if the error is gone.

Fix Outlook Error Code 0x800CCC90

This Outlook error can appear due to many reasons. However, you should be able to fix the error using the troubleshooting steps in the article. If the problem persists, check your third-party antivirus firewall settings. Temporarily disabling the firewall can help you identify conflicts between apps.

If the error is resolved but Outlook is still not receiving email, check your junk folder, email sorting options, and block list to fix the problem.