.BLK File Extension

AutoCAD Block Template File

Developer Autodesk
3.8  |  41 Votes

What is a BLK file?

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.

More Information

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.

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Programs that open or reference BLK files

Category: CAD Files
Updated: September 8, 2010

ABBYY FineReader Area Template

Developer ABBYY
3.7  |  11 Votes

Template used by ABBYY FineReader, a program that allows users to convert images and other documents into searchable text documents; contains data that designates the area of a document that should be scanned by FineReader.

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BLK files can be used to save time when scanning a large amount of documents with the same layout. You can create a BLK template that can be applied to your documents. Follow the directions below to create and apply templates.

To create a template, open your image and draw your area manually or let FineReader automatically analyze the layout, select Area → Save Area Template..., name the template, and click Save.

To apply an area template, select the pages you want to apply the template to in the "Pages" window. Then, select Area → Load Area Template..., select your desired template, choose "Selected pages" next to "Apply to," and click Open.

Programs that open or reference BLK files


BLK360 Data File

Developer Leica Geosystems
3.8  |  5 Votes

A BLK file may also be a data file created by Leica Geosystems BLK360, an imaging laser scanner used to collect 3D information about an environment for visualization purposes. It contains 3D point cloud data captured by the BLK360 device that describes surrounding objects and terrain. BLK files can be opened by Leica Geosystems Cyclone Register 360, a program bundled with the BLK360 device.

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The data in a BLK file was captured by a scan conducted by a BLK360 device. The data is transferred over a WLAN to a computer running Cyclone Register 360, which is used to save the data as a BLK file.

BLK files are commonly used for rendering images of rooms, buildings, and geological surfaces. The device is most prominently used by the surveying, construction, surveying, engineering, and research communities.

Programs that open BLK files

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