In Windows 7, you can choose one of 4 file systems: NTFS, FAT, FAT32 or exFAT. Selecting a file system for formatting and storing files It is important what do you plan to do with the USB flash drive: to run applications, use it as a bootable flash drive, to store all kinds of data, etc.
The optimal settings depend on the model of the usb flash, which will be formatted. Nevertheless the settings are responsible for the performance of the usb flash drive. To recover its data you’ll need special recovery tools – but the results will be unpredictable.
It is necessary to bear in mind two facts: SDFormatter app is specifically designed to format flash drive and sd card on Windows and Mac OS. We wrote an instruction on, where these nuances were indicated. The microsd cards have some formatting tricks.