Today’s the day! As part of making Minecraft: Java Edition even more secure, we’re beginning to roll out mandatory migration for some players. Check out our FAQs for all the info you need to know and don’t forget that we are here to help with your migration questions!

@MojangSupport I purchased my account about 9.5 years ago. The email used to make the account is no longer accessible (I switched ISPs), meaning I've also lost the transaction ID. Can I still migrate my account, or is it now lost forever?