The username must be between 3 and 16 characters (inclusive). Usernames are case-sensitive in games (above your head), but when logging in using the username, whether is it in caps or not, will still work. Highly active question.
How often can you change Minecraft username?
Every 30 days
How often can I change my username? Every 30 days. When you change your username, your previous name is saved for 37 days. This gives you an additional week to change back if you change your mind before your previous username becomes available to anyone else.
How often can you change your username in Minecraft?
No, you won’t. Players are tracked with a unique ID, instead of your username as of Minecraft 1.7.10. You can only change your username every 30 days, and if someone changes their username, you cannot change it to their username for 37 days. As for servers, you’ll have to ask the server owner, but you usually don’t lose progress.
What to do if your Minecraft username is personally identifiable?
If your current or past usernames have any personally identifiable information in them, you can contact Minecraft Support and have it removed from your history. Note: This request is strictly limited to personally identifiable information.
What does it mean when you are unable to login to Minecraft?
Unable to login. If you’re logging into the Minecraft game client and you receive the error “Login failed. Invalid username or password.”, this means that you’re using incorrect login information. To learn more about this see below. If you need to change your password, visit our password change article. If you receive a technical error message
How to log out of a Minecraft account?
You must log out completely and then log back in. 1 In the Minecraft game launcher, click your username or email address in the top right corner. 2 Click Log out. 3 Log back in with your account credentials.
