MicroSD cards are 1/4 the size of a standard SD card.
Secure Digital (SD) is a small, removable storage format introduced by SanDisk, Panasonic and Toshiba in 1999. MicroSD cards are smaller than standard SD cards and are often used in devices such as mobile phones. The MicroSD card is currently the smallest flash memory card available (as of 2010). Formatting a MicroSD card will remove all the data stored on it and can also help resolve issues with a malfunctioning card.
Instructions
1. Insert the MicroSD card into the SD card adapter. Gently press the card down until it clicks into place.
2. Insert the SD card adapter containing the MicroSD card into the card reader. If you are using an external card reader, make sure it is connected to your computer.
3. Click "Start" and select "Computer." Right-click the drive letter that represents the MicroSD card and select "Format."
4. Select "FAT" from the file system drop-down menu and click "Start" to reformat the card.
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