![]() Once again, your data remains safely available on the disk, and can be recovered with content-aware analysis in Data Recovery Software. However, instead of writing zeroes onto the disk, the system format tool will instead read disk sectors to verify them. If you use an operating system older than Windows Vista (including Windows 98, ME, 2000 or XP), the full format operation will also wipe the file system area. But what if you used the slower but more comprehensive Full Format instead? Isn’t the very purpose of fully formatting the disk finally and irreversibly deleting all data on that disk? Again, things aren’t as simple as they appear. This is what happens if you used Quick Format. Meaning, the new file system will irreversibly wipe all of the old records containing file names and linking them with disk sectors that actually store data.Īs you can see, the actual data still remains on the disk, and can be recovered with tools using content-aware analysis such as Partition Recovery. As a result, unless you manually change cluster size, the size of the new file allocation table will be exactly the same as the size of the file allocation table it replaces. ![]() The size of this area depends on the size of the volume being formatted and the chosen cluster size (typically, the operating system will use clusters of 4KB for volumes under 2GB). Let’s start from reformatting a FAT32 partition using the same type of file system.įAT32 is an old file system that keeps records linking file names with actual data blocks on the disk in a system area in the beginning of the disk. Formatting FAT/FAT32 Devicesįirst and foremost, we are only interested in how formatting works on devices carrying an existing file system (and storing existing data we’ll be recovering later on). Let’s have a look at what actually happens when you format (or “initialize”) a disk volume. ![]() ![]() But why exactly is this possible? Isn’t the very purpose of formatting the disk destroying everything on it? Well, not quire. If you are following our publications, you may already know how they do it (and if you don’t, you’re welcome to read “ Content Aware Recovery and Data Carving Explained” we published two weeks ago). ![]() Today’s data recovery tools have no problem recovering your data from a recently formatted hard drive or memory card. ![]()
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