---
id: mac-storage-basics.why-cant-my-mac-write-to-an-ntfs-drive
url: https://storagestudio.us/faq/mac-storage-basics/why-cant-my-mac-write-to-an-ntfs-drive
category: "Mac storage basics"
subcategory: "Disks, APFS and formats"
question: "Why can my Mac read but not write to a Windows (NTFS) drive?"
alt_questions:
  - "ntfs read only mac"
  - "write to ntfs on mac"
  - "windows drive read only macos"
  - "can't copy files to ntfs drive mac"
  - "mac ntfs support"
short_answer: "macOS reads NTFS but can't write to it by default. Reformat as exFAT for Mac and Windows, copy over the network, or use third-party NTFS software."
tags: ["ntfs", "windows", "formats"]
related: ["https://storagestudio.us/faq/mac-storage-basics/what-format-works-on-both-mac-and-windows", "https://storagestudio.us/faq/mac-storage-basics/how-do-i-erase-or-format-a-drive-on-a-mac"]
applies_to: "all"
last_reviewed: 2026-10-01
---

# Why can my Mac read but not write to a Windows (NTFS) drive?

macOS can read **NTFS**, the usual Windows format, but doesn't write to it out of the box. Options:

- Reformat the drive as **exFAT** if it needs to work on both systems (erasing removes its contents).
- Copy files over the network instead.
- Use third-party NTFS software if you must keep NTFS.

For a drive that will mostly live with your Mac, APFS is the better long-term choice.