If you receive Error 0x80004005, The Operation Failed during Send/Recieve operation in Outlook, then it could be a script blocking issue, Mailbox Size Limit, etc. Error 0x80004005, The Operation Failed in Outlook In this post, we will help you resolve the error. Your tasks should now sync between Microsoft To Do and Outlook 2016 automatically.Microsoft Outlook is long known to receive Error 0x80004005, The Operation Failed in Outlook, and while it was primarily because of script blocking by third-party apps, the issue has occurred at a couple of more places. If prompted, enter your password and then select OK > Finish.

(Alternately, you may need to enter your name, email address, and password and then select Next.) Head to File > Add Account to add your new email address as a Microsoft 365 account to Outlook 2016.Įnter your new email address, then select Connect. Now that your new address is the primary alias for your account, you’ll need to update your Microsoft account within Outlook 2016: Once the new alias has been added to your account, just select the option to Make primary. Select the option to Create a new email address and add it as an alias and enter what you want for your new address. Under Account alias(es), select Add email. To sync your tasks between Microsoft To Do and Outlook 2016, you’ll need to a create a new alias for your account by registering a new email address. However, if you’re using a personal Microsoft account registered to a different domain, like or your tasks won’t sync automatically. If your personal Microsoft account uses a domain such as or then your tasks should sync automatically between Microsoft To Do and Outlook 2016 on Windows.

At the moment, only personal Microsoft accounts using an domain are able to sync between Microsoft To Do and Outlook 2016.

Outlook 2016 sync issues 0x80004005