Question: how to open dbf file?
Answer: A file with the . ... 
dBASE is the primary program used to open DBF files. ... 
GTK DBF Editor is one free DBF opener for macOS and Linux, but NeoOffice (for Mac), multisoft FlagShip (Linux), and OpenOffice work as well.
Xbase mode can be used with Emacs to read xBase files.