![]() The reason why you have to format an SD card is usually that there is something wrong with your SD card, for instance, you get a message saying that you need to format the SD card before you can use it, or the SD card is unreadable, unavailable or turns RAW. It creates an empty file system (FAT32, exFAT or NTFS) on the SD card but doesn't actually erase anything except for the data that makes up the file system.Īfter formatting, your card has a new structure ready to write new data to and the existing files on the SD card are disappeared, although they are not actually deleted and are recoverable with a data recovery program (opens new window), making the room available for the new files. Formatting an SD card is the same as formatting a hard drive. ![]() ![]() ![]() What does it mean to format an SD card? Formatting is just like dividing a blank paper into several parts and gives numbers to those parts.īy doing so, your computers know where to store and read data. ![]()
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