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ANSYS environment > Importing and exporting ANSYS data

ANSYS file formats supported for import

In Pre/Post, you can import the following types of ANSYS files:

  • ASCII (PREP7, CDB)

  • Binary files (.rst, .rth)

Importing ANSYS ASCII files

You can import the following types of ANSYS ASCII files into Pre/Post:

  • PREP7 command files.

  • Command Database or CDB (.cdb) files, which are created with the CDWRITE command in ANSYS pre-processing.

For more information on PREP7 commands, see the ANSYS Commands Reference manual. For more information on CDB files, see the Programmer's Manual for ANSYS.

Importing ANSYS binary files

You can import the following types of ANSYS binary files into Pre/Post:

  • RST (.rst) structural results files.

  • RTH (.rth) thermal results files.

Note:

You cannot import loads and boundary conditions in ANSYS binary files.

Importing ANSYS compressed results files

You can import ANSYS .rst and rth results files in compressed format with the following limitations.

  • You must create the compressed results files with ANSYS release 2019R2 or higher with either the default format or with the SPARSE compressed format. Only the SPARSE compression format is currently supported.

  • For beam cross section data, Pre/Post imports thickness values only.

  • For modal analysis solutions, Pre/Post imports a single solution set only. For linear and nonlinear statics solutions, Pre/Post imports all solution sets.

Learn more

Importing ANSYS structural and thermal elements

Mesh validity checking during import (ANSYS)

Look up more details

ANSYS commands supported for import and export

Working with ANSYS compressed results files

Exporting ANSYS data

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Command reference

Pre/Post video examples

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ANSYS file formats supported for import, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id625766 · retrieved 2026-07-17