“Send To” function in WSS 3.0 does not copy look-up fields
The "Send To" function of WSS 3.0 does not copy look-up fields when you copy a non-Office document (like doc, xls etc) for 1 list to another. This is because the scope of the Look-Up field is the same web that the source document is at; whereas the “Send To” feature allows you to copy an item to any list on any SharePoint site, even if not in the same server. The Look-Up field needs to exist in an existing list on the target site
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“Send To” function in WSS 3.0 does not copy look-up fields
