Hacker ApprovedDepartments

exFAT

Ranked 9 of 10 filesystems by recommenders

Recommended as the most portable file system, with native read and write support on Windows, Mac and Linux. Critics agree it lacks journaling, so it can corrupt data after a crash.

Recommended as the most portable file system, with native read and write support on Windows, Mac and Linux. Critics agree it lacks journaling, so it can corrupt data after a crash.

15 people gave an opinion

recommend it
8
criticize it
7
approval share
53%
Each figure is one person. RecommendsCriticizes

Recommended in 5 of 13 months

  1. November 2025: recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • 1.1 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 5 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Native support on Windows, Mac, Linux

    “Windows and MacOS have native support, and more and more Linux distros are getting support as well”

    Comment from 11 Nov 2025 in “SanDisk launches dongle-like Extreme Fit USB-C flash drive with up to 1 TB”

    “exFAT has native support on Windows, Mac, and Linux, and there are drivers for BSDs and others.”

    Comment from 10 Mar 2026 in “Flash media longevity testing – 6 years later”

    “exFAT has been r/w on all 3 OSes for many years now, and it also supports files >4GB.”

    Comment from 8 Jan 2026 in “Native Amiga Filesystems on macOS / Linux / Windows with FUSE”

What people warn about

Each mark is one comment

  • No journaling, risks data corruption

    “exFAT has the lovely feature of potentially not only corrupting the file, but also corrupting the metadata for the surrounding system as well.”

    Comment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

    “exFAT is terrible for a number of reasons, but in my case the thing I had to deal with was the lack of journaling”

    Comment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

    “due to the lack of journaling, and its buggy performance on macOS”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”
  • Widely seen as flawed

    “exFAT is terrible for a number of reasons, but in my case the thing I had to deal with was the lack of journaling”

    Comment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

    “exFAT is crappy, but not obsolete.”

    Comment from 20 Jan 2026 in “Prediction: Microsoft Is Going to Do the Funniest Thing Imaginable”

Other filesystems people recommend

The four most recommended other filesystems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

exFAT compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
ZFS2895684%1310 yrs27 ownersApproved
Btrfs1059054%129 yrs15 owners—
ext432586%12—Approved
bcachefs281467%8—Approved
exFATThis page8753%5——
See all 10 filesystems, ranked

What people said

17 of the 18 comments that mention it, newest first. Each links to the original comment.

“exFAT has the lovely feature of potentially not only corrupting the file, but also corrupting the metadata for the surrounding system as well.”

CriticizesComment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

“exFAT, at least for most cases, is the only filesystem you can plug into most devices”

RecommendsComment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

“Everywhere exFAT is supported now. Windows, Mac, Linux, FreeBSD would be fine.”

RecommendsComment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

“exFAT is terrible for a number of reasons, but in my case the thing I had to deal with was the lack of journaling”

CriticizesComment from 7 May 2026 in “SQLite Is a Library of Congress Recommended Storage Format”

“exFAT has native support on Windows, Mac, and Linux, and there are drivers for BSDs and others.”

RecommendsComment from 10 Mar 2026 in “Flash media longevity testing – 6 years later”

“exFAT is the best portable filesystem”

MixedComment from 18 Feb 2026 in “15 years later, Microsoft morged my diagram”

“I use it too, when forced.”

CriticizesComment from 18 Feb 2026 in “15 years later, Microsoft morged my diagram”

“exFAT not being journaled and having to engineer around it”

CriticizesComment from 18 Feb 2026 in “15 years later, Microsoft morged my diagram”

“due to the lack of journaling, and its buggy performance on macOS”

CriticizesComment from 22 Jan 2026 in “30 Years of ReactOS”

“exFAT also had reasonable support for Windows, Linux, and MacOS”

RecommendsComment from 22 Jan 2026 in “30 Years of ReactOS”

“exFAT is crappy, but not obsolete.”

CriticizesComment from 20 Jan 2026 in “Prediction: Microsoft Is Going to Do the Funniest Thing Imaginable”

“exFAT has been r/w on all 3 OSes for many years now, and it also supports files >4GB.”

RecommendsComment from 8 Jan 2026 in “Native Amiga Filesystems on macOS / Linux / Windows with FUSE”

“If only exfat had symbolic links.”

CriticizesComment from 7 Jan 2026 in “Native Amiga Filesystems on macOS / Linux / Windows with FUSE”

“Depending on your pain tolerance, FAT32, exFAT, and ZFS are all reasonable choices.”

MixedComment from 7 Jan 2026 in “Native Amiga Filesystems on macOS / Linux / Windows with FUSE”

“is limited in many other ways compared to ext4 or NTFS”

CriticizesComment from 6 Dec 2025 in “Copy-Item is slower than File Explorer”

“really not resilient enough that I could trust GBs of data on it”

CriticizesComment from 11 Nov 2025 in “SanDisk launches dongle-like Extreme Fit USB-C flash drive with up to 1 TB”

“Windows and MacOS have native support, and more and more Linux distros are getting support as well”

RecommendsComment from 11 Nov 2025 in “SanDisk launches dongle-like Extreme Fit USB-C flash drive with up to 1 TB”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.