Table of Contents
Introduction
Have you downloaded a file with .ac extension, but you have never seen this extension before? Perhaps you know what the file is, but you simply don’t know how to open it. Thanks to this easy guide you will be able to find out what .ac file extension is, how to open it and how to work with it.
What is a .AC file?
The .AC file extension is Ancestral Quest Collaborative Database File. This file extension belongs to the developer Incline Software. The file is a
What to know
There is currently 1 software that can open the .ac file on 2 platforms.
How to open a .AC file?
Below you can find an easy to understand, step-by-step guide to open the .AC file on your operating system/device.
How to open a .AC file on Windows (7, 8, 10)
Below you can see a visual guide on how to open the .ac file on Windows in 4 easy steps.
1. In the first step you need to download the

Step 2: Locating your .AC 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: Choose “Open with”
3. In the third step right click on your file and choose “Open with”.

Step 4: Choose the software and click ok
4. In the fourth step, after clicking “Open with”, you should see the Incline Software Ancestral Quest software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.
How to open a .AC file on Mac
To open the .ac file on Mac, please follow these 4 easy steps.
1. In the first step you need to download the

Step 2: Finding your .AC 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: Clicking “Open with”
3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4: Choosing the software to open your file
4. In the fourth step, after clicking “Open with”, you should see the Incline Software Ancestral Quest software that you have downloaded. Click on the software and click “OK”. That’s all, now you have opened your file on Mac.
Still cannot open the .AC file?
If you cannot open the .AC file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .AC file –
Conclusion
In this article you have learned how to open the .AC file with the