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The default file system for a TrueCrypt volume is FAT. Isn't NTFS more robust? What are the pros and cons of creating a TrueCrypt NTFS vs. FAT volume?

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NTFS is more robust as filesystems go, but isn't supported as well on non-Windows operating systems. If the volume you want to create will be on portable media and used on a number of different machines, FAT32 overall will be easier to manage. It mainly comes down to a question of convenience.

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Would you suggest NTFS for a Windows-only drive? – Tyler M. Nov 3 '11 at 8:25
If you know you're only going to use it under Windows, then yes, NTFS would be my choice. Especially if you're talking about a drive that's going to be more than a few gigabytes in size. – Sean Goller Nov 3 '11 at 16:09
Still you can read or even write NTFS drives depending on operating system: – Janis Veinbergs May 29 '12 at 10:48

If you are only going to use the partition under Windows, NTFS would be my choice.

If you are going to use the partition on a read-only medium (CD, DVD), and one should be able to read it with Windows 2000, then FAT should be your choice:

  • TrueCrypt FAQ mentions “Windows 2000 cannot mount an NTFS file system on read-only media”. (Considering TrueCrypt’s detailed documentation, I assume this only applies to Windows 2000.)
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If you're going to be using it with Dropbox, would suggest using NTFS. I noticed some files would not download onto a Dropbox that was linked to a TrueCrypt drive formatted as FAT32.

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