If I were to find a new job and leave my old 401(k) with my previous employer, what would happen to the money in it?
Your money will continue to grow tax-deferred, and you’ll have access to it when you retire at age 59 ½ . However, you won’t be able to add funds to this account anymore, and if you have less than $5,000 in this account, your previous employer may choose to send you the money (or put it into an IRA).