The best replacement for files is mp3.

The best alternatives to files are rated as following:
★★★★★  mp3
★★★★★  database
★★★★  jpeg
★★★★  folders
★★★  mp3 files
★★★  records
★★  program files x86
★★  electronic files
★  fringe
★  wma files
★  program files (x86)
★  wma
★  x86
★  wav files
★  vertical files
★  databases
  random access files
  temporary files
  supernatural
  k files
  text files
  raster files
  powershell
  lateral files
  documents
  data files
  tables
  logical files
  pdf

Your alternative for files is not listed? Suggest!
Speaking about files, one probably shouldn't forget about python.

Other search terms related to files and their ratings are:
★★★★★ python
★★★ dropbox
★★★ directory structure
★ usb
You have in mind a companion for files and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of files in all years. Click on graph for more.
files
mp3
database