to whom it may concern

US /tə huːm ɪt meɪ kənˈsɜːrn/
UK /tə huːm ɪt meɪ kənˈsɜːrn/
"to whom it may concern" picture
1.

A quem possa interessar

a formal salutation used when the recipient's name is unknown or when the letter is addressed to an organization rather than an individual

:
I started the cover letter with 'To Whom It May Concern' as I didn't know the hiring manager's name.
Comecei a carta de apresentação com 'A quem possa interessar', pois não sabia o nome do gerente de contratação.
The official notice was addressed 'To Whom It May Concern'.
O aviso oficial foi endereçado 'A quem possa interessar'.