What is .BLK file extension?
Attribute extraction template used by AutoCAD, a 2D and 3D CAD design and documentation application; stores selected drawing elements used for publishing a drawing to a .PDF, .DWF, or .DWFX format; specifically stores the drawing blocks and their properties.
BLK files are used for controlling the data that is published to a sharable file. This is beneficial in situations where only certain types of information should be distributed. BLK files can be created in AutoCAD with the Block Template dialog box, or using the Attribute Extraction wizard.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.