There are multiple definitions - click on the translation that matches your context.

akta sprawy

rzeczownik w liczbie mnogiej

full

case file

noun

Definitions of case file

English

a complete collection of every document filed with the court in a case

The case file will be transferred to the District Attorney this week.

English

a complete collection of every document relating to a police investigation

A police spokesperson could not comment on the matter saying he needed time to study the case file.