# xarray.backends.NetCDF4DataStore.open

#### *classmethod* NetCDF4DataStore.open(filename, mode='r', format='NETCDF4', group=None, clobber=True, diskless=False, persist=False, auto_complex=None, lock=None, lock_maker=None, autoclose=False)[[source]](https://github.com/pydata/xarray/blob/main/xarray/backends/netCDF4_.py#L486-L569)