LXF File Extension

What is LXF file?

LXF is a 3D LEGO project file. Each LXF file contains two ZIP archives – one stores a PNG image (project preview), while the other contains the actual project saved in a LXFML file (formatted in XML).

3D LEGO projects

LEGO Digital Designer is no longer supported by the developer, but is still available for download. LXF project files are saved in Lego Creations folder created in user’s Documents folder. Models and Building subfolders store all project-related files.

Programs which support LXF file extension

Below you will find an index of software programs that can be used to open LXF files divided into 3 categories according to system platform supported. Files with LXF suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 03/21/2022

How to open file with LXF extension?

There can be multiple causes why you have problems with opening LXF files on given system. On the bright side, the most encountered issues pertaining to LEGO Digital Designer Model Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the LEGO Digital Designer

The main and most frequent cause precluding users form opening LXF files is that no program that can handle LXF files is installed on user’s system. The most obvious solution is to download and install LEGO Digital Designer or one to the listed programs: BricksViewer. The full list of programs grouped by operating systems can be found above. If you want to download LEGO Digital Designer installer in the most secured manner, we suggest you visit LEGO Group website and download from their official repositories.

Step 2. Update LEGO Digital Designer to the latest version

If you already have LEGO Digital Designer installed on your systems and LXF files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of LEGO Digital Designer installed, it may not support LXF format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using LEGO Digital Designer.

Step 3. Assign LEGO Digital Designer to LXF files

If the issue has not been solved in the previous step, you should associate LXF files with latest version of LEGO Digital Designer you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the LXF file
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where LEGO Digital Designer is installed, check the Always use this app to open LXF files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• Right-click the LXF file and select Information
• Find the Open with option – click the title if its hidden
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with LXF extension. By clicking Continue you confirm your selection.

Step 4. Verify that the LXF is not faulty

Should the problem still occur after following steps 1-3, check if the LXF file is valid. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the LXF in question is not infected with a computer virus

Should it happed that the LXF is infected with a virus, this may be that cause that prevents you from accessing it. Scan the LXF file as well as your computer for malware or viruses. If the LXF file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If you obtained the problematic LXF file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with LXF extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle LEGO Digital Designer

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

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with LEGO Digital Designer Model Format files and ensure security of your device and operating system. It may be the case that the LXF files work properly with updated software that addresses some system bugs.

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