I turned on unknown source installations, downloaded Confluence 1.71.13 apk via browser. When the download finished I tapped on the notification to sideload it. A message popped up saying:

No app found to open .apk file

Why did that happen? I can install it via App Manager, but I don't understand why this happens. Googling the error doesn't yield any useful info.

My Android version is 5.1.1.

  • How did you sideload it? Is it from a file manager app?
    – Andrew T.
    Commented Oct 13, 2021 at 3:35
  • 1
    I downloaded it via browser, then tapped on the notification when the download finished
    – Ooker
    Commented Oct 13, 2021 at 5:10

1 Answer 1


--> If you tap the file from the Download list in your preferred browser, you'll get the error!

You have to go to the FILE MANAGER, then there into your DOWNLOAD HISTORY respectively the FOLDER where you saved the .apk file.

Then tap the .apk file to open it, then you might have to choose (depending on your basic settings for "Installation from Unknown Sources") to allow (option for "only this time" or similar) an installation from an "Unknown Source".

There you go! :)

  • This is the correct answer! Commented Jan 17 at 2:22

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