The word “file” has different meanings in English, thus, it must be translated differently into Portuguese.
Apresentar (uma reclamação, por exemplo): to initiate a legal or administrative process.
Arquivo/ dossier/ pasta: a set of documents that are stored in an organised manner; the cabinet/ box/ place where such documents are stored.
Arquivar: when a legal case is concluded.
Ficheiro: a set of documents, images, etc. stored in a computer.
Lima: a tool that smooths wood, nails or other materials.
Processo: a set of documents that builds a legal case or an official process.
Fonte: Oxford English Dictionary