I got logged off Minecraft and couldn't remember which email I used to log back on. So I purchased another account. I was messing around with the launcher_profiles.json file by reading it in Windows 10 notepad and I read my new email among the data. I tried to do a system restore to read the file before it was written to my new account and still had the old data, but system restore is off by default in Windows 10.

Is there another log file that will contain all the emails that I used to successfully login in the past?

1 Answer 1


Find launcher_profiles.json.backup or launcher_profiles.json in your minecraft folder. Search for authenticationDatabase, under which there is a username field which contains your e-mail address.

  • @Penguin Does it work for you now?
    – MCCCS
    Commented Dec 1, 2020 at 16:45
  • Oh yes, that seems to answer the question now! Sorry if it seemed a bit rude, as I doubted you still used these forums after four years and was meant to address a reader so they are not confused.
    – Penguin
    Commented Dec 1, 2020 at 16:49
  • No that wasn't rude at all ... thank you, I had misread the question
    – MCCCS
    Commented Dec 1, 2020 at 16:51

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