See this: FIX: Type Mismatch Using OLE Automation to Word 97

... some of the methods used in Word 97 VBA return errors back to the client application. When an error is returned to the client application, ... , it may be necessary to use older Word Basic statements and functions in conjunction with the newer Word.Application methods and properties. ...

They give some examples on how to do it.

In reply to Re: "type mismatch" in Word by fglock
in thread "type mismatch" in Word by esr

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