Apple stopped supporting the Hierarchical File System (HFS) with the release of Mac OS 8.1 in 1998, replacing it with an improved version, dubbed HFS+ and also known as Mac OS Extended.

For Mac-only storage devices: APFS APFS is the Apple File System, which is currently the default format. It was created with flash drives and SSDs in mind.

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of ...

How to restore your default file extension associations in Mac OS In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on ...

Windows' default NTFS is read-only on OS X, not read-and-write, and Windows computers can't even read Mac-formatted HFS+ drives. FAT32 works for both OSes, but has a 4GB size limit per file, so it ...