BK! file format description

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

1 filename extension(s) found in our database.

.bk! - Corel WordPerfect Document Backup

The BK! document files are related to Corel WordPerfect. The BK! file is a Corel WordPerfect Document Backup. Corel WordPerfect is a popular, fully-featured commercial word processor program.

Corel WordPerfect
Document files
- / -
bk1, bk2, bk3, bk4, bk5, bk6, bk7, bk8, bk9, bkn
Corel WordPerfect Document Backup related extensions:
Sealed PowerPoint Template
Microsoft Encarta Document
Compressed GEDCOM Document
Spartan Document
Adobe Director Compressed Cast
Microsoft Office 2007 Relationships Data

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

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

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

b!k, bk

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Movie Magic Screenwriter Document Backup
Backup Copy File
Microsoft Flight Simulator Scenery Data
Power Chess Book Data
One Must Fall 2097 Game Data
Adobe FrameMaker Book Document

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

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DataTypes.net >> BK! file