title: Delphi: own files' Backup
body: <p>There is a folder - 7 Gb with a big amount of binary files. An average size of the binary file is around 100 Kb. These files are compressed in ZIP archives. An average size of that ZIP archive is around 2 Mb. Therefore I need to make the backup of the ZIP archives. </p>
  
  <p>And I need to make the backup of the whole folder. It can be without a data compression. A main requirement is the fast backup. Therefore it must be a possibility to restore files from the backup.</p>
  
  <p>For example, an archive without a data compression can be used, but adding and extracting of files must be fast. Or fast copying can be used.</p>
  
  <p>Please, tell me how to do this in Delphi or tell your suggestions.</p>
  
  <p>Thanks!</p>