##  [Ansys Common Fluids Format SDK for developers](/docs/cff) 

## Overview

The **Ansys Common Fluids Format****™** **SDK** is a collection of APIs, data models, and example programs that allow you to access or write data to Ansys Common Fluids Format files using a common format that is also used by Ansys Fluids products.

Using the Common Fluids Format SDK requires comprehension of the data models on which our Computational Fluid Dynamics (CFD) software relies.





 



 

 

 



## OS and supported languages

**Common Fluids Format APIs** are available for **Windows** and **Linux** in:

- C
- C++





 



 

 

 



## Documentation

###### Common Fluids Format SDK Guide

Describes the classes, functions, and enumerated types that allow you access to read in existing files and to write your own data to new files.

[2026 R1](/docs/Common-Fluids-Format-2026-R1/index.xhtml)

[Previous](/docs/cff/previous)





 

 



 

 

 



## Related projects

When using **Common Fluids Format SDK**, you can perform further development with the APIs and libraries of these Ansys products:





 



###### Discovery





 

<https://developer.ansys.com/docs/discovery-2>

 

 



###### optiSLang





 

<https://developer.ansys.com/docs/optislang>

 

 



###### Post-processing





 

<https://developer.ansys.com/docs/post-processing>