# ASE trajectory writer pro

Attention

This file format writer requires Python and therefore is only available in OVITO Pro and the OVITO Python module.

Important

The file writer requires the ASE module to work. Please first make sure that ASE is installed in your Python interpreter or in the embedded interpreter of OVITO Pro. See ovitos_install_modules.

Saves the particles and their trajectories to a trajectory file of the Atomic Simulation Environment (ASE).

Internally, the file writer is based on the `ovito.io.ase.ovito_to_ase()` function, which converts OVITO’s particles to ASE atoms objects.

See also

ASE trajectory reader