How to use "files" in a sentence

The clerk searched through his files for a moment and then he brought me some papers.

'Do you remember the visit now, Doctor?' But Dr Baker was already searching his files

Dr Baker stopped and looked down at the files.

Because so much material in the hotel's files was extremely confidential information about high rollers, and because the Pyramid's list of favored customers would be of enormous value to competitors, only approved people could obtain this data, and a record was kept of everyone who accessed it

The hacker geeks in computer operations can probably access all the rental agencies' data files long distance."

"When you leave," Dombey said, "you should take some files on Danny's case