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
Quick links
Command reference
Pre/Post video examples
Bulk Entry Descriptions
Simcenter 3D tutorials
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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