What is BLK file?
The BLK file extension is for a Block Template File. This file type contains AutoCAD .dwg files and not much else. The .dwg files contain all other CAD data, such as views and layers, but the BLK does not have any datas of its own.
BLK Format details
|AutoCAD Block Template Format
Software, that convert BLK files
The easiest way to convert a BLK file is to save it in a different file format using dedicated software. Below you will find a list of software programs that can handle BLK files. Open your BLK file with one of them and save in another file format.