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.blk file extension

.blk
Descent Mission Builder block file.

For more information see:

Can you add to this? Do you know of any applications not already listed which will work with .blk files, view .blk files or open .blk files? Are you able to contribute any additional reference information or file format information about .blk files or have you spotted any errors or omissions? If so please let us know by emailing us at feedback@cryer.co.uk - Thank you.