#7235
Support 1a
Participant

    As mentioned above, most message properties are read only when accessing incoming & sent items – including Task priority. Attempting to set such properties on a readonly item will result in an exception, which is why the rest of your code does not execute.

    TaskPriority can be set for draft & personal messages only. Here is some code…

    if (mMsg.BoxType = fgwpersonal) or (mMsg.BoxType = fgwDraft) then
      mMsg.TaskPriority = 2
    end if
    

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