When you start your job for the first time, you always think of performing the best and want to be successful in work place.
There are few thumb rules that you may follow in order to become successful in your work place or office, but always remember it is not a magic; rather is a constant effort that you need to give in order to become successful.
The most important rule to get success at work is to know to work in a team. Becoming a team player can really help you to become successful, because in this way you only deliver better but it also helps to develop healthy relationships with other co workers.
In office you will have your seniors and juniors both, and you have to deal with both of them. You have earn trust of your seniors and respect of your juniors, the best way of doing that is to have open conversation with all the colleagues.