On HDD? USB? SD?
overwritten= slim chance (got any FBI friends? they can restore those files)
(Compessed zip,rar,(MP3,AVI) files may never be recoverable.)
This (1) will help "Get Data Back" to work but try(2) Via USB an external drive / run Get Data Back on an XP machine Use "Get Data Back" first.
(1)Via (IDE)ATA /SATA as a master drive on an XP machine / set drive jumper to master to set drive as "inactive primary partition".
Use a disc tool such as "Paragon Partition Manager"
http://www.paragon-software.com/business/hdm-server/ this is 30 day free trial (after that it's $599) to set drive as "inactive primary partition". ( this will stop your drive trying to read any corrupted system files giving you better access to your data)
Then
(2)Via USB an external drive / run Get Data Back on an XP machine Use "Get Data Back"
http://www.getbackdata.net/recover-data.html choose FAT or NTFS depending on HDD file system (demo will let you see if your data can be recovered but you will have to buy it to do recovery) to recover and copy any readable data to good HDD.
