What is a .TMC File And How To Open It – Theta Music Composer (Visual Guide)

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While downloading files, you might have downloaded a file with the .tmc extension. It is possible that you know what the file does, but you are unsure on how to open it. That’s why you are here! We have made this guide for you to learn more about the .tmc file extension and how to open it.

What is a .TMC file?

The .TMC file extension is Theta Music Composer 1.x Audio File. This file extension was developed by Theta Music Composer. The file is a audio related file.

What to know

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

How to open a .TMC file?

Below you can find an easy to understand, step-by-step guide to open the .TMC file on your operating system/device.

How to open a .TMC file on Windows (7, 8, 10)

There are 4 simple steps to open the .tmc file on Windows.

1. In the first step you need to download the Another Slight Atari Player software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .TMC file

2. The second step is locating 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: Choose “Open with”

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

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Another Slight Atari Player software that you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .TMC file?

If you are still unable to open the .TMC file, it might be because you are trying to open the wrong one. The .TMC file extension is similar to other file extensions such as: .tmd – SoftMaker Software, .tmd – Oracle, .tmd – Nintendo, .tmdx – SoftMaker Software, .tme – DAZ Productions. You might be trying to open one of them. Please recheck the file extension again.


In this article you have learned how to open the .TMC file with the Another Slight Atari Player program on Windows.