ASY File Type

- The quick facts

What are ASY files and how to open them

Are you having problems opening an ASY file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ASY file?

An .ASY file is a LTSpice Symbol file.

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 ASY files

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

While we have not verified the apps ourselves yet, our users have suggested 7 different ASY openers which you will find listed below.

Last updated: April 2, 2021

Various apps that use files with this extension

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

LTspice IVLTspice IVUser submitted
LTspice XVIILTspice XVIIUser submitted
VPS ViewerVPS ViewerUser submitted
FJVPS Digital MockupFJVPS Digital MockupUser submitted
RadanRadanUser submitted
AlaskaSyncAlaskaSyncUser submitted
VPS/Digital MockupVPS/Digital MockupUser submitted

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