VASP uses a relatively large number of input and output files:
INCAR in ** STOPCAR in stout out POTCAR in ** KPOINTS in ** IBZKPT out POSCAR in ** CONTCAR out EXHCAR in (should not be used in VASP.3.2 and VASP.4.x) CHGCAR in/out CHG out WAVECAR in/out TMPCAR in/out EIGENVAL out DOSCAR out PROCAR out OSZICAR out PCDAT out XDATCAR out LOCPOT out ELFCAR out PROOUT outA short description of theses files will be given in the next section. Important input files - required for all calculations - are marked with stars in the list, please check description and contents of these files first.