C85 file format description

Many people share .c85 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .c85 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .c85 files.

1 filename extension(s) found in our database.

.c85 - RISC OS JPEG Image

The C85 graphic files are related to RISC OS. The C85 file is a RISC OS JPEG Image. RISC OS is an operating system originally designed by Acorn Computers Ltd.

Graphic files
- / -
RISC OS JPEG Image related extensions:
Icon Library
Phase One RAW Image
TG4 Fax Image
Atari ST Synthetic Arts Image
Faxable TIFF Image
Atari ST Fullscreen Construction Kit Image

Naturally, other applications may also use the .c85 file extension. Even harmful programs can create .c85 files. Be especially cautious with .c85 files coming from an unknown source!

Can't open a .c85 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 .c85 file extension is often given incorrectly!

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

85, s85

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Corel Ventura Publisher 85dpi Font
Sabre Airline Solutions Chart

Operating systems

DataTypes.net 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 .c85 file format, then write to us!

DataTypes.net >> C85 file