If you are experiencing an Outlook error code of 0x800CCC90, there are a few things that you can do to try and fix the issue on your own. First, make sure that your computer is up-to-date with the latest security patches. Second, make sure that your email account is configured correctly in Outlook. Third, try clearing your email inbox and then re-adding your emails. Finally, if all else fails, you can call Microsoft support for help. ..

Ways to Fix 0x800CCC90 Outlook Error on Windows

Add fresh Send/Receive groups

In Microsoft Outlook, navigate to the Send/Receive tab and click on Send/Receive Groups. Then, click on Define Send/Receive Groups.

Select the group from the list and click on the Add button. Enter a name for the group in the Send/Receive Group Name box. Select the group from the list and click on the Add button. ..

After you create the group, you can add an account to it by checking the box that says Include the selected account in this group. ..

I want to be able to receive mail and send mail. ..

Please enter the following information to complete the download: -Your name -Your email address -The file size (in bytes) of the attachment(s) you would like to download -The password for your account (if any) Your name: Your email address: The file size (in bytes): Password for your account:

To send and receive emails using the created group, click on Send/Receive and then on the group name to transfer the emails. ..

Utilize the Outlook Inbox feature

C:\Users\Your name\AppData\Roaming\Microsoft\Outlook If you are using Outlook 2016, the folder would be C:\Users\Your name\AppData\Roaming.outlook If you are using Outlook 2013 or earlier, the folder would be C:\Program Files (x86)\Microsoft Office.outlook

In 2021, Microsoft Office will be available on a program files (x86) location.

The Office 2016 installation files are located in the C:Program Files (x86)Microsoft Office16 folder. ..

Launch the EXE file and select the .pst file you want to scan. ..

Outlook starts automatically.

If you find any errors when you try to open the document, click on Repair to fix them. ..

If you have a copy of your Outlook Data file, you can launch Outlook after the repair procedure is complete. ..

Remove and re-add your account

Select New and then Text Document. Type your article in the document’s text box and click on the Save button. ..

Remove the account you want to delete.

If the issue persists, please add that account and check if the issue persists. ..

Final Words

If you are experiencing the 0x800CCC90 Outlook error, we recommend that you take some steps to fix it. You can try disabling POP3 and port blocking in your Outlook profile, or using a different email client. If these steps do not work, you may need to reach out to Microsoft for help.