.BLK

.BLK file extension

This is the basic program to work with .BLK extension

XnView

XnView

XnView is a fast multi-format graphics browser, viewer, and converter. It reads more than 400 file formats. Its main features are batch conversion, image processing with many filters and effects, slide shows, twain support, and foto galleries on CD... (more)

The program works with the following extensions: jpg, png, wmf, bmp, gif, jpeg, j, bm, ppm, j2k, rl4, pct, jpx, pic, xpm, sld, tif, jpf, xbm, ivb, tga, bpx, pbm, tim, dib, pcx, pcc, emf, dcx, blk, jif, pgm, jpe, pix, ppma, pict, tiff, giff, jfif, targa and pict2

.BLK extension is also supported by the following program:

Spectaculator

Spectaculator ZX Spectrum Audio Cassette

Spectaculator is a Sinclair ZX Spectrum emulator for Windows.