What are the types of backups?

Normal Backup

  • Default type of backup performed by Backup utility
  • Backs up all selected files and folders and clears the archive attribute on each
  • This type of backup can be inefficient because it does not take into account whether files have changed

Incremental Backup

  • Backs up only files that have changed since last normal or incremental backup
  • Clears the archive attributes of the files
  • Reduces the size of backup jobs
  • Restore process is more complicated
  • Normal backup and incremental backups must be restored in order

Differential Backup

  • Backs up only files that have changed since last normal or incremental backup
  • Does not clear the archive attributes of those files
  • A second differential backup will back up the same files since the first backup is not recorded by the archive attributes
  • Reduces the size of backup jobs compared to normal backups but not incremental backups
  • Restore process requires only the normal backup and the latest differential backup
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Author: MStechJi

IT professional with 8.5 years of experience in providing Remote Infrastructure Support in Windows Server environment including MS Azure. Intent to increase my knowledge and experience and share some tips and tricks I’ve learnt along the way.

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