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What is an EXO File and How to Convert .exo to .mp4?

Author by Rocabella

Aug 12th, 2020

Some Android video apps would generate a set of offline chunk files in .exo format and many people have tried to convert the .exo file to MP4 but ended up with failure. So is it possible to convert .exo to .mp4 or any other video format? If it is possible, how? And if not, what should we do then? To know the answer, read on to get more information.

Part 1. What is an EXO file?

The .exo File

The .exo file is primarily associated with the YouTube app on Android devices. As you save a video within the YouTube app, the content will be stored in .exo format in video chunks. To put it in another way, EXO files are the pieces of a complete video file and they are produced when the video is made offline from the Android YouTube app.

The EXO files could also be non-video files that are related to the Motorola EXORmacs software or the generic system files. But this is another story we won’t talk in this post.

Part 2. Is It Possible to Convert .exo to .mp4?

Does an EXO to MP4 Converter Exist

No, it is not possible to convert the EXO file to MP4 or any other video format and an EXO to MP4 converter doesn’t exist currently because the .exo files are encrypted and can only be opened within the context of the Android YouTube app. And even if you’ve managed to convert .exo to .mp4, you’ll only get separated parts of the whole video file. So there’s no way and no point to make the conversion. However, within the app, you need no more moves other than simply clicking on the offline video to start watching.

So how to get your desired YouTube video playable offline on any platform? Since you can't convert the encrypted EXO file to other video formats, maybe the best way is to re-download the video directly in MP4 format using a third-party tool. If you're interested, please go to the next part to learn how to save YouTube videos with ease.

Disclaimer: WonderFox does not advocate any copyright infringement behavior and before you download, please check whether it is legal to download YouTube videos.

Part 3. (Optional) Download YouTube Videos in MP4

Instead of sticking with the meaningless .exo to .mp4 conversion, a better move is to download your wanted YouTube videos straightly in MP4 format. To do this, you need a professional YouTube video downloader that can help your downloads safe and stable. Perhaps you could try WonderFox Free HD Video Converter Factory, the freeware which I found both secure and powerful. It can not only download YouTube videos through URL but also convert rare video formats to MP4, MOV, AVI, and other commonplace formats.

The following passage is the tutorial of how to convert the YouTube URL to MP4:

Download YouTube Videos in MP4

Before start, please free downloadfree download the software.

Step 1. Copy the URL of Your Wanted YouTube Video

Visit the YouTube official site and play your wanted video. Right-click on the playing video to “Copy the URL” or copy the full-length URL on the top address bar.

Step 2. Paste and Analyze the URL in the Video Downloader

Launch WonderFox Free HD Video Converter Factory and open “Downloader” > “+New Download”. Paste the copied URL into the blank bar and wait for it to be analyzed.

Step 3. Define Your Video’s Parameters and Start Downloading

After the URL being analyzed, choose the format in MP4 or other preferred ones and further pick the resolution and size of your video and hit “OK”. Finally, click “Download All” to start downloading.

Extra Tip: If you didn’t find the format you want, you could first download the video in a random format and later import the just downloaded video to the video Converter (next to the Downloader) to convert your video to any format you want.


I believe this article has made clear what the EXO file is and why you can’t convert the EXO file to other formats. If you still have any confusion, please feel free to reach me at any time. Also, hope the optional method provided could be some help to get your favorite videos for offline playback. The download button is provided here below.

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