What is a .Y File And How To Open It – Stephen C. Johnson (Visual Guide)

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Have you came across a file with the .y extension, but it is a file you have never seen before? Perhaps you know what the file is, but you simply don’t know how to open it. That’s why you are here! We have made this guide for you to learn more about the .y file extension and how to open it.

What is a .Y file?

The file extension .Y stands for Yacc Source File. The developer of this file extension is Stephen C. Johnson. This development related file is in text format.

What to know

There is currently 1 software that can open the .y file on 1 platform.

How to open a .Y file?

In this part of the article we will show you how to open the .Y file on various operating systems.

How to open a .Y file on Mac

We have written below an easy-to-understand guide on how to open the .y file on Mac in 4 easy steps.

1. In the first step you need to download the Apple Xcode software. You will be using this software in order to open the file.

Step 2

Step 2: Finding your .Y file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Clicking “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. After choosing the “Open with” option, you will have an option to choose the Apple Xcode software you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Mac.

Still cannot open the .Y file?

If you are still unable to open the .Y file, it might be because you are trying to open the wrong one. The .Y file extension is similar to other file extensions such as: .y3a – Konami, .y3d – Konami, .y4m – YUV4MPEG2 Video File, .yab – Yabasic, .yal – Arts and Letters. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .Y file with the Apple Xcode program on Mac.