Wondering what's taking up so much space in System Data on your Mac? Want to know how to delete and clear the mysterious System Data files on your Mac so you can reduce storage space? Here's how: ...

If needed, Apple's TextEdit program can be used to modify hidden system files.

We cover how you should format your USB drive before using it as a storage device, and which format to use - APFS, exFAT or Mac OS Extended (Journaled).

Mac OS Extended (Journaled): Stores each file in an encrypted format using Apple's older journaled HFS+ file system, with case-sensitive files. Mac OS Extended (Journaled, Encrypted): Use this ...

Time Machine is Apple's backup system that automatically saves your Mac's files. Here's how to use the macOS file protection feature.

Want to limit access to your system? Here's how to change file permissions on Mac and restrict their access to different users on your computer.

The Apple File System (APFS) is the next-generation file system designed to scale from an Apple Watch to a Mac Pro. APFS is optimized for Flash/SSD storage, and engineered with encryption as a ...