AST2 file format description

Many people share .ast2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ast2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ast2 files.

1 filename extension(s) found in our database.

.ast2 - Astrotite 200X Data

The AST2 data files are related to Astrotite 200X. The AST2 file is an Astrotite 200X Data. Astrotite 200x is a compressor that lets you package, compress and encrypt files into a single file.

Astrotite 200X
Data files
- / -
Astrotite 200X Data related extensions:
Macro eXpert Script
Ulead Data
NI Diadem RPC3 File
Now Contact WP Data
Houdini Indie Scene
GnuPG Signature/Key

Naturally, other applications may also use the .ast2 file extension. Even harmful programs can create .ast2 files. Be especially cautious with .ast2 files coming from an unknown source!

Can't open a .ast2 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.

The .ast2 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

as2, ast, at2, st2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SPICE Status Data
Activstudio Data
Time Stamp Project Grid Information
ASTree Program
Autodesk Simulation Mechanical Strain Results Data
AstroGrav Astronomy Simulation Data

Operating systems currently supports the following operating systems:

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

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .ast2 file format, then write to us! >> AST2 file