BLKRT file format description

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

1 filename extension(s) found in our database.

.blkrt - Block Artist Image

The BLKRT graphic files are related to Block Artist. The BLKRT file is a Block Artist Image. The Block Artist seems to be no longer supported.

Block Artist
Graphic files
- / -
Block Artist Image related extensions:
CNS Input Data
Verity Image Format File
TMSat Thumbnail Image
Corel WordPerfect Graphics Metafile
Windows 8 User Tile Data
Adobe Photoshop Color Book

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

Can't open a .blkrt 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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