Unsupported file formats

For any of th following, is there any way to rename the extentation and be able to read the file in office 2007?

WK1, ALL(1-2-3)
WK4 (1-2-3)
WJ1 (1-2-3 Japanese) (*.wj1)
WJ3 (1-2-3 Japanese) (*.wj3)
WKS (1-2-3)
WKS (Works Japanese) (*.wks)
WK3, FM3(1-2-3)
WK1, FMT(1-2-3)
WJ2 (1-2-3 Japanese) (*.wj2)
WJ3, FJ3 (1-2-3 Japanese) (*.wj3)
DBF 2 (dBASE II)
WQ1 (Quattro Pro/DOS)
Microsoft Excel Chart (*.xlc)