LEF File

What are LEF files and how to open them

Are you having problems opening a LEF file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your LEF files.

What is a LEF file?

LEF files have multiple uses, and LEN Exchange Format is one of them. Read more about the other uses further down the page.

LEN Exchange Format

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open LEF files

Important: Different programs may use files with the LEF file extension for different purposes, so unless you are sure which format your LEF file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested five different LEF openers which you will find listed below.

Last updated: July 13, 2020

All known file formats using extension .LEF

While LEN Exchange Format is a popular type of LEF-file, we know of 2 different uses of the .LEF file extension. Different software may use files with the same extension for different types of data.

Lenex XML Data

We know that one LEF format is Lenex XML Data. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of LEF files. Remember, different programs may use LEF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about LEF file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.