In the launched “Choose Profile” box, select Options > New Use Windows Key + R then type “outlook /profiles” (omitting the quotes) in the Run window and hit “OK” Note: There is a space between outlook and the forward slash (/) Set up your account manually as an IMAP or POP account in Outlook. Please see the ALTERNATIVE WORKAROUND section below. If you typically use an account for email, this issue can occur if there are multiple aliases on the account and the 3 rd party email address is the primary alias. This issue can occur when you register a 3rd party email address (e.g., an email address that is not or ) for your Microsoft Account and don't use for sending and receiving email. Recipients will also receive the email from the sender with the outlook_[long series of letters and recipients reply to the email, the email bounces and you may receive the message “Undeliverable message when you send Internet mail in Outlook.”

Your email account name shows up as outlook_[long series of letters and the Folder Pane and when composing emails using Outlook for Windows.

Once complete, press any key to close the Contacts cleanup window.Īfter adding an email account to Outlook for Windows (Outlook 2016, 2013, 2010 versions) you may experience the following: This should be the same device as used in steps 1-3. Select the number which corresponds to the mobile device which has Teams installed, and hit return.

Return to the command window and enter “1” and press return to start cleanup. Select Yes to the sign in prompt “Let this app access your info?' If you still see device contacts and duplicates, run the downloaded file to start cleanup.Įnter your personal Microsoft account email address and hit return.

Turn off sync using the “ Sync my device contacts” toggle. The device contacts in Outlook will be deleted within a few hours. Open the Teams app on your mobile device.Ĭlick on your profile icon Home and navigate to Settings and People. To help fix the problem, download ContactsCleanup.exe to your Windows PC and then follow the steps below. Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. This is caused by the Teams mobile app syncing your device contacts folder. Some users may notice duplicate contacts showing on.

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