How do you say have a great week in Portuguese?

There are a few ways to say "have a great week" in Portuguese, depending on the level of formality and the specific meaning you want to convey:

Formal:

* Tenha uma ótima semana! (Formal, used for someone you don't know well or in a professional context)

* Desejo-lhe uma excelente semana! (More formal, expressing a sincere wish for a good week)

Informal:

* Boa semana! (Simple and common, used for friends and family)

* Tenha uma ótima semana! (Less formal than the first option, can be used with friends and colleagues)

* Que tenha uma semana maravilhosa! (Slightly more emotional, expressing a wish for a fantastic week)

* Espero que tenha uma semana incrível! (More casual, expressing hope for an amazing week)

You can also use the verb "passar" (to spend) to say "have a great week":

* Passe uma ótima semana! (Formal)

* Espero que passe uma ótima semana! (Less formal)

The best way to choose the right phrase depends on the context and your relationship with the person you're talking to.