BLK File Extension

BLK file icon
AutoCAD Block Template Format
  • Developer
    Autodesk
  • Popularity
    3.2 (10 votes)

What is BLK file?

BLK is a file extension commonly associated with AutoCAD Block Template Format files. AutoCAD Block Template Format specification was created by Autodesk. Files with BLK extension may be used by programs distributed for Windows platform. BLK file belongs to the CAD Files category just like 158 other filename extensions listed in our database. The most popular software that supports BLK files is AutoCAD. On the official website of Autodesk, Inc. developer not only will you find detailed information about theAutoCAD software, but also about BLK and other supported file formats.

Programs which support BLK file extension

The following listing features BLK-compatible programs. Files with BLK suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support BLK file

Windows Windows

How to open file with BLK extension?

Problems with accessing BLK may be due to various reasons. Fortunately, most common problems with BLK files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install AutoCAD

Problems with opening and working with BLK files are most probably having to do with no proper software compatible with BLK files being present on your machine. The solution is straightforward, just download and install AutoCAD. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit AutoCAD website and download the installer.

Step 2. Verify the you have the latest version of AutoCAD

You still cannot access BLK files although AutoCAD is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why BLK files are not compatible with AutoCAD. The latest version of AutoCAD should support all file formats that where compatible with older versions of the software.

Step 3. Associate AutoCAD Block Template Format files with AutoCAD

After installing AutoCAD (the most recent version) make sure that it is set as the default application to open BLK files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

  • Right-click the BLK file and choose Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the AutoCAD installation folder. Confirm by checking Always use this app to open BLK files box and clicking OK button.

The procedure to change the default program in Mac OS

  • Right-click the BLK file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • If you followed the previous steps a message should appear: This change will be applied to all files with BLK extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the BLK is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper BLK file. Problems with opening the file may arise due to various reasons.

1. Check the BLK file for viruses or malware

Should it happed that the BLK is infected with a virus, this may be that cause that prevents you from accessing it. Scan the BLK file as well as your computer for malware or viruses. If the scanner detected that the BLK file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If the BLK file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with BLK extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the AutoCAD Block Template Format file again.

4. Verify that your device fulfills the requirements to be able to open AutoCAD

If the systems has insufficient resources to open BLK files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with AutoCAD Block Template Format files. It is possible that one of the available system or driver updates may solve the problems with BLK files affecting older versions of given software.

Do you want to help?

If you have additional information about the BLK file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on BLK file.

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