Windows 10: Size of backup file using Windows Backup

Discus and support Size of backup file using Windows Backup in Windows 10 Backup and Restore to solve the problem; I have an HP a6547c desktop that has gone from Vista to Windows 8.1 and finally to Windows 10. Attached is a Western Digital 1TB external hard drive... Discussion in 'Windows 10 Backup and Restore' started by bdennin, Aug 11, 2015.

  1. bdennin Win User

    Size of backup file using Windows Backup


    I have an HP a6547c desktop that has gone from Vista to Windows 8.1 and finally to Windows 10. Attached is a Western Digital 1TB external hard drive that was wiped clean. I started the Windows Backup program (worried at first when it said Backup Win 7) and after a number of hours had a full system backup.

    Everything for this desktop is on my C drive which is a 1TB Hitachi unit. Total space used for OS, applications and personal files is 301GB. The full system backup created on the external WD drive is 447 GB.

    Any idea why such a difference in size?

    :)
     
    bdennin, Aug 11, 2015
    #1
  2. SDS_SDS Win User

    Windows 10 File History backup size

    Hello

    I have just set up a new PC running Windows 10.

    I have decided to use File History to backup my files.

    I am using a 32GB USB Drive.

    I have set the options to backup "Daily" and "Keep files for 12 months"

    I have chosen "Documents" and "Pictures" to backup.

    When the backup starts it tells me the total backup size will be 10.2 GB yet the size of the Documents and Pictures folder according to Windows Explorer properties is only 1.3 GB.

    Why is the File History backup so much larger?

    Thank you
     
    SDS_SDS, Aug 11, 2015
    #2
  3. al_lea Win User
    Unable to restore backups

    what is the size of the backup file? or you can use noki to verify that everything is there in the backup file.
     
    al_lea, Aug 11, 2015
    #3
  4. Size of backup file using Windows Backup

    Personally, I would recommend using a third-party tool like Macrium Reflect. The free version provides all the options you will regularly need and (generally) will result in a compression of 50% or more when creating a full image backup. This means a backup with MR is likely to take around 150GB.
     
    Mark Phelps, Aug 11, 2015
    #4
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Size of backup file using Windows Backup

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