How do I get rid of this error 0x8004210B in Outlook?

Asked 25-Jan-2022
Viewed 335 times

1 Answer


Anti-virus software should be disabled or uninstalled.
Third-party anti-virus software can create this error by interfering with your email sending attempts. You can fix this problem by removing or disabling the apps using the steps below:

  • Open the 'Run' window. To do so, press the 'Windows' key along with the 'R' key on your keyboard. Enter the following command in the dialogue box: appwiz.Cpl.
  • When you press 'Enter' on your keyboard, you'll be taken to 'Programs and Features.'
  • Locate the third-party antivirus product you want to uninstall in the programs list. Once you've located the software, right-click it and select 'Uninstall' from the menu that appears.
  • now check if your error is fixed or not

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