A bank is a place where you store and manage your resources, so a bank in a dream represents hidden emotional or spiritual resources as well as your ability to access them when you need them.
You may dream of a bank when you are going through a difficult period in your life. This dream is a reminder of your need to draw on your inner strength. A dream of a bank could also be a warning to you to avoid “mismanaging” your resources: don’t focus your energy on things that are unimportant.
If you dream that you are depositing money in a bank it is a sign that you are feeling strong, with resources to spare.
A dream of a bank robbery means that you are feeling robbed of your resources. You need to rest and regenerate.