All of the confidential files are kept in it.

机密档案都存放在这里。

youdao

This is a safe. The confidential files are kept in it.

这是保险柜，机密档案都存放在里面。

youdao

In addition, a new method for encrypting and hiding local confidential files is designed.

此外，还设计了本地涉密文件加密隐藏方法。

youdao

Once a "victim's" confidence had been gained, the spy would ask to see confidential files.

BBC: Spy in the house of love

There was a plot to oust the then Ulster Unionist leader, James Molyneaux, in 1982, according to newly-released confidential files.

BBC: James Molyneaux

Among other things, each has confidential files on every actor, which include everything from prior medical certificates to claims histories to newspaper or Web clippings pertaining to the star.

FORBES: Star Insurance