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LDL File

What are LDL files and how to open them

Are you having problems opening a LDL 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 LDL files.

What is a LDL file?

A .LDL file is an Actor Library Definition Language file.

These files are Library Definition Language files used by the Actor programming language. The actor programming language is a concurrent, object-oriented programming language invented by Charles Duff in the late 1980s.

The .ldl file stores definitions of libraries, or collections of actor classes and functions, that can be accessed and utilized within Actor programs. The .ldl file format utilizes a proprietary data structure to encode this library definition information in a manner specific to the actor programming language.

How to open LDL files

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

While we have not verified the app ourselves yet, our users have suggested a single LDL opener which you will find listed below.

Last updated: January 4, 2023

Various apps that use files with this extension

These apps are known to open certain types of LDL files. Remember, different programs may use LDL 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 LDL file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.