This is the slowest, but the most secure method. The Gutmann algorithm performs the largest number of passes over the data in comparison with other methods. Gutmann algorithm: Overwrites your data according to the encoding mechanism used by the drive.This method is more secure, but slightly slower than the Random overwrite method. DOD (Department of Defense) 5220.22-M algorithm: Overwrites your data with several types of data (0, 1, and random characters) within three passes.Il est conçu pour fournir une suppression sûre et sécurisée des fichiers et des dossiers, qui est presque impossible à récupérer. This is the simplest and quickest method. File Shredder est un logiciel de suppression de fichiers qui permet aux utilisateurs de supprimer définitivement les données des disques durs. Click the text box and type a number of passes (the default number is 1). Easy File Shredder is a powerful tool that can help to remove files from your device completely and securely they cannot be recovered. The number of times AVG overwrites your data is determined by the number you specify. Random overwrite (selected by default): Overwrites your data with random patterns.You can choose between 3 algorithms that differ according to speed and level of protection: Which algorithm for shredding you want to use: Select your preferred algorithm to encrypt deleted files when they are shredded.Prioritize shredding: shreds your files faster.Show Data Shredder in the Windows context menu: Tick this option to see Shred using AVG in the Windows context menu that appears when you right-click a file or folder from File Explorer or you Windows desktop.Open the AVG Internet Security user interface and go to Menu ▸ Settings.In Data Shredder settings you can configure Data Shredder sensitivity and accessibility on your desktop. Click Yes, Continue to irreversibly shred your deleted files.Click the panel for the drive where your deleted files are located.Above Deleted Files Shredder, click Select Files.Open the AVG Internet Security user interface and go to Menu ▸ Data Shredder.Once data is shredded, there is no way to recover it. This is useful if you have already used a standard deletion method, such as manually deleting the files. This option irreversibly erases the remains of previously deleted files. You must reformat the partition after shredding it to make it usable again.