Is EXT4 compatible with macOS?
The Ext4 filesystem format is native to Linux, but there are a variety of ways to access them on macOS. Some of the methods are free, but they are also unstable, temporary, and don't have all the features that paid software has.
Is EXT4 compatible with Windows?
Can Windows read ext4? Windows Operating Systems don't support the Linux file system, including EXT4. As a result, Windows cannot directly read or detect an EXT4 partition or device. But if you want to access EXT4 from Windows, try the listed methods on this page.
What OS supports EXT4?
exFAT is a lightweight file system compatible with all versions of Windows and modern versions of macOS. If you use your drive with both PCs and Macs, format your drive in exFAT.