Yes.
All versions of Windows 98 support FAT32.
No. It should be accessible from any operating system that supports FAT32, including all versions of Windows, Mac OS X, and Linux.
If you are installing windows XP with Windows 9x or me than the I would recommend you to use FAT32 as if you use NTFS than you wont be able to access Windows XP with NTFS partition. If you are installing Windows XP with Windows NT or Windows 2000 than you can use any partition type. But I would recommend to use NTFS.
FSO Gold Disks are not universally available for all versions of Windows. They are primarily designed for specific Windows versions and may not be compatible with older or unsupported operating systems. Users should check the compatibility requirements for their specific version of Windows before attempting to use FSO Gold Disks.
FAT or FAT32.
Windows 3.1 would have been installed on top of a standalone version of MS-DOS. All standalone versions of MS-DOS used FAT12 or FAT16. It is possible to run Windows 3.1 on top of later versions of MS-DOS with a FAT32 file system, but this would have been extremely uncommon.
Windows 98 supports both the FAT16 and FAT32 file systems. The FAT32 file system will support drives up to 2 terabytes in size, while the FAT16 file system will support drives up to 2 gigabytes in size.
Yes. C is a general purpose programming language with compilers available for all versions of Windows.
All versions of Excel should work with all versions of Windows.
Yes. All Windows based file systems require periodic defragmentation for optimal performance. FAT, FAT32 and NTFS file systems all require defragmentation.
Microsoft Office does not care about the file system at all. It can be run on any file system that compatible versions of Windows runs on (FAT32 and NTFS for XP, and just NTFS for Vista).
Windows NT is advance technology than Windows 98. Hence when you boot your computer using Windows NT you will be able to all FAT32 partition. However, If you use Windows NT file system like NTFS than you won't be able to access this from Windows 98. As Windows 98 can only access MS DOS/FAT32 kind of partitions.