ANISO file format description

Many people often share .aniso files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .aniso files. To address this issue, we have created this page to offer assistance and guidance on handling .aniso files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .aniso files.

Our aim is to simplify the process and promote seamless use of the .aniso file format.

1 filename extension(s) found in our database.

.aniso - CRYSTALS Chemical Crystallography Data

The ANISO data files are related to CRYSTALS. The ANISO file is a CRYSTALS Chemical Crystallography Data. CRYSTALS is a software package for single crystal X-ray structure refinement and analysis.

Data files
- / -
CRYSTALS Chemical Crystallography Data related extensions:
CRYSTALS Difference Fourier Data
CRYSTALS Isotropic Refinement Data
CRYSTALS Initial Data
CRYSTALS Reflections Data

Naturally, other applications may also use the .aniso file extension. Even harmful programs can create .aniso files. Be especially cautious with .aniso files coming from an unknown source!

Can't open a .aniso file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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