Can't eject my External HDD cuz i downloaded the game files in it.

The media files are either MPEG-4 or MKV. I can confidently say that the issue is not due to file compatibility as I have many other files in those formats that play just fine.

This is the exact issue: I have an external HDD connected to my Xbox with all my media (movies mainly) files that I have saved throughout the years. When you initially connect an external HDD to the Xbox it asks if this is for storing Games/Screen Captures
or if this is for Media playback. In this case media playback is selected and then all the files currently on the HDD will show up and play without issue.

Now here is the issue. After the initial setup and selecting this HDD as media only, any additional files I add to my HDD the Microsoft Media Player as well as VLC will recognize the file/folder depending on how I have it formatted, but:

1) If the file is not in a folder both programs will recognize the file but will not play it

or

2) If the file is in a folder, then when I open the folder the folder is empty.

This is a new issue and has never happened in the past.

One potential temporary solution I thought of, but I don't know how to do it or if it is possible: Can I have the Xbox forget the external HDD (without clearing the HDD obviously) so as to the next time I plug it in it will recognize the external HDD as
a new drive and I can select Games vs Media again? This way after media is selected all my new files will show up as well.

Update: I restarted my Xbox and reselecting the Games vs Media did not work. When trying to play an individual file (of the new files just added, because all my previous files in the same format work just fine)

Update #2: The external HDD I am using is a WD 8TB Easy store. As I stated above all my old files work but none of the new files do. As my issue was not formatting, I dug out my old HDD (a 2TB Seagate) and added my new files to that. All the new files played
normally. The question is.... why are new files not playing on my WD while they play normally on the Seagate. (BTW: Yes both HDD are formatted the same, exFAT). At least for me this appears to be an external HDD issue. I will do one more update after clearing
my WD HDD before adding everything back, but this will take around 1 day.

Update #3: After erasing all media and adding it back to my WD external HDD all files (including the new ones) play as normal.

Hey guys, I also have the same problem. Still there is no solution for that. Can't download, transfer games to external HDD.

You can't use external storage initially. However, you can move your games onto external storage once they have been downloaded. Your internal 4 GB is just flash memory for things like system updates and other system files. It's not really meant to hold
any games. Buy an internal HDD from Microsoft--not eBay.

Have you tried moving the games/files from your internal HDD to your external HDD?

There is an option in the settings, can't remember where to get the xbox to power down an external HDD when the console is of. I think it only works with HDD that don't have an external power supply.

If it is on with one with external power supply then I would say something is wrong as mine doesn't spin up while the Xbox is off unless it's downloading an update for a game.