I am trying to copy some filemaker address fields company,first,last,address1,address2...) to the clipboard so that I can print a Fedex label (using address grabber). Can anybody help??

I'm not sure what address grabber is, but the clipboard will only hold the contents of one field at a time. To copy an entire labels worth of information, you will need to create a field that is the composite of all the fields of interest. It should be a calculated field with a definition that look something like:

First & Last & "