Returns or sets the default file converter used to open documents. Can be a number returned by the OpenFormat property, or one of the following WdOpenFormat constants: wdOpenFormatAllWord, wdOpenFormatAuto, wdOpenFormatDocument, wdOpenFormatEncodedText, wdOpenFormatRTF, wdOpenFormatTemplate, wdOpenFormatText, wdOpenFormatUnicodeText, or wdOpenFormatWebPages. Read/write Long.
Note Use the Format argument with the Open method to specify a file converter when you're opening a single document.