CASCII file format description

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

1 filename extension(s) found in our database.

.cascii - CACTVS Chemical ASCII Format Data

The CASCII data files are related to CACTVS. The CASCII file is a CACTVS Chemical ASCII Format Data. CACTVS is a distributed client/server system for the computation, management, analysis and visualisation of chemical information of any, even dynamically and ad-hoc defined type.

Data files
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CACTVS Chemical ASCII Format Data related extensions:
CACTVS Binary File

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

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

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


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Plain Text Document

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

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