If you are using windows operating system, then you can format your SD card, very quickly by set NTFS or fat32 file system. But in the Linux system you will have go through command.
Please read before you post. The format won't be optimal for Arduino if you use OS utilities. Arduino is like not Windows, OS X, or Linux. Desktop OSs have huge amounts of RAM for buffering so the format is less important.
I suggest you learn about the internals of SD cards and how FAT16/FAT32 is implemented for Arduino before providing advice.