FAT, FAT32, NTFS - and with Windows 8 and Windows Server 2012, Microsoft introduced WinFS.
The 3 major file systems are FAT, FAT32 and NTFS
Windows makes use of the FAT and NTFS file systems.
Quick View is file viewing application that can be used to view almost any file. It is compatible with the Windows 95, Windows 98, and Windows NT operating systems.
NTLDR is indeed a key boot file in Windows 2000 and all of the Windows operating systems since Windows NT. A machine will not boot without that file.
FAT and FAT32
There are programs you can download that will read Linux file systems. Common file systems are ext2 and ext3.
An .MSI file usually is a Microsoft Windows installation file, associated with "Windows Installer." It contains control information that identifies several installation criteria for a Windows application.
FAT16, FAT32, and NTFS.
Any FAT and NTFS.
FAT
NT file system (NTFS)