A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...
How-To Geek on MSN
Your hard drive uses one of three file systems—here's why it matters when you format
The real difference between NTFS, exFAT, and FAT32 (and which one you actually need) ...
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