macOS: Resize APFS Container | Cyberdragon Computer Repair

Warning: this guide requires basic knowledge of the command line.

Warning: there is a very slim chance that your data may be lost during this process. While it is very unlikely this may happen, we still recommend that you back up your data before performing these steps. Cyberdragon takes no responsibility for data loss.

If you are not comfortable proceeding with this guide, please feel free to reach out to us and we will be more than happy to help.

You will need the following tools for this guide:

A macOS device (MacBook, Mac mini, iMac, etc.).

Resizing an APFS container is pretty simple with a few steps in the command line. First, type the following command:

diskutil list

Look for a disk with Apple_APFS Container in the name. That disk will be the drive argument.

diskutil apfs resizeContainer [drive] [size]

For the size argument, type 0 to expand the APFS container to the maximum size available.

Note: if you are attempting to resize the drive you are currently booted into, you will have to reboot into recovery mode. While booting the Mac, press and hold ⌘R (Intel), or continue to hold the power button and select Options (ARM).