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What is exFAT

Saw a new type of disk format, exFAT. I am only knowing FAT, FAT32, NTFS, and some others for Linux operation system.

Today, when I try to format a microSD card, it has a new option, exFAT.

exfat-format

What is exFAT?

 

File size limit is now 16 exabytes.
Format size limits and files per directory limits are practically eliminated.
Like HPFS, exFAT uses free space bitmaps to reduce fragmentation and free space allocation/detection issues.
Like HTFS, permission systems should be able to be attached through an access control list (ACL). It is unclear if or when Vista will include this feature, however.

Interestingly enough, exFAT is not used and was not designed for formatting hard drives. It is only recommended in flash memory storage and other external devices only. This is why it is currently not considered a huge competitor to NTFS on hard drives.

 

For me, I know that flash drive capacity is getting bigger and bigger. And also the file size, I mean the video file size is also getting bigger and bigger.

FAT32 has a limitation of 4GB file size limit.

NTFS and exFAt can store a single file with 5Gb or evern more.

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