Going into any given files properties, and changing the "open with" property has not affect on anything that isn't a default windows application.

Example: https://gph.is/2yV5dRY

and here


Go to Settings -> Apps -> Default apps -> Choose default apps by file type. There, you can change the default app based on file extension.


It's a know bug. Windows 10 V1803 is affected. Several blogs and websites are starting to report it. I have this issue too. No matter which way you tryo, you cannot set the file association to some softwares (in my case I can't set jpeg to Adobe Bridge, for example). Hopefully MS will fix it in the next patch. Until then you'll have to live with the problem.

  • I don't know who down voted but this is definitely the correct answer, while the other answer is a work around that doesn't actually fix the issue. – Astrydax Nov 7 '18 at 21:45
  • I upvoted because the downvote wasn't legitimate. This is the correct answer introduced in the 17134.345 build. Microsoft claims to be working on a resolution and estimates a solution will be available in late November 2018 but I bet they will be late to provide a fix – Jérôme MEVEL Nov 22 '18 at 8:47

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