ASTA file format description

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

1 filename extension(s) found in our database.

.asta - Astah Project

The ASTA project files are related to Astah. The ASTA file is an Astah Project. Astah (JUDE - Java and UML Developers Environment) is a UML modeling tool created by Japanese company Change Vision.

Project files
- / -
Astah Project related extensions:
JUDE Project

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

Can't open a .asta 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 .asta file extension is often given incorrectly!

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

asa, asat, ast, astx, ata, sta

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Adobe Photoshop CS Color Statistics
STATISTICA Spreadsheet File
AstroGrav Astronomy Simulation Data
MAME Saved State Data
Microsoft Visual InterDev Data
Noptel NOS Statistics 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 .asta file format, then write to us! >> ASTA file