Open BLF File
BLF files have two registered uses:
Common Log File System
A BLF extension file is a log file created with the "Common Log File System", which is used to create logs in Microsoft's Windows operating system.
Therefore it is an important component of Microsoft Windows which is used for transaction log creation.
The file contains metadata and other relevant information required by the windows registry.
These files are usually found in the Windows user's directory.
To open BLF files, Windows examines the file extension and if it recognizes the file name extension, it opens the program associated with the file name extension, however, since it is a registry file, opening it is not recommended.
If the BLF file extension has not been registered correctly, then Windows would need to know what the usual program is to open it and it would probably throw an error.
MasterWorks
In this particular case, the BLF extension files are embroidery design files created by MasterWorks, which is a digitizing program used to create digital embroidery designs.
This file is used to store shapes, colors, and patterns for the design, which can be edited before exporting to a machine-compatible stitch file format.
To open and operate a BLF file it is necessary to have one of the following programs