OutlookUservoice_icon_outlook Outlook Feedback by UserVoice

John

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    274 comments  ·  The new Outlook.com  ·  Flag idea as inappropriate…  ·  Admin →
    John commented  · 

    Just use MFCMAPI
    open the program
    goto session
    select logon
    select the correct outlook profile Click OK
    Right click on the mailbox name to work on and select open store
    Expand Root Container
    Expand top of information store
    Select the 'Conversation History' folder
    Right Click Select delete
    Check the box for Hard Delete
    Select OK
    It will remove it from the system

    If you have skype for Business still installed it may come back

    John commented  · 

    Just use MFCMAPI and delete it from the top level information store

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