COSTYLEPACK file format description

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

1 filename extension(s) found in our database.

.costylepack - Capture One Style Package

The COSTYLEPACK archive files are related to Capture One. The COSTYLEPACK file is a Capture One Style Package. Capture One is a raw converter and photo editor that supports raw formats from more than 250 cameras and digital backs.

Capture One
Archive files
- / -
Capture One Style Package related extensions:
Arduboy Game Package
Rhino3D Installer Package
BZip Compressed Data
Liberkey Core Update File
Dzip Archive
PAQ8O8 Compressed Archive

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

Can't open a .costylepack 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 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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