Or, have friends send you one file at a time. Sometimes .MIM happens when people send multiple attachments with one message. If they send one at a time, you might not have to use WinZip. The wizard interface does not. When you open winzip, choose the classic button in the lower left hand corner.
Several people suggest using winzip.
That is for Windows. This problem is driving me nuts. Several people suggest using winzip. That is for Windows. This problem is driving me nuts.