What if mine says "Not formatted for apfs"?

Q-mann wrote:

Every time I try to update to Catalina, that's all it says..

Catalina needs to see APFS.

Can we assume this <MacBook Air 11″, OS X 10.11> is your current situation?

You will have to stair step your way up

Apple File System (APFS) is a proprietary file system for macOS High Sierra (10.13) and later,

macOS 10.13 High Sierra - Technical Specifications:

https://support.apple.com/kb/SP765?locale=en_US

https://itunes.apple.com/us/app/macos-high-sierra/id1246284741?ls=1&mt=12

How to upgrade to macOS High Sierra

https://support.apple.com/en-us/HT208969

MacBook (Late 2009 or newer)

MacBook Pro (Mid 2010 or newer)

MacBook Air (Late 2010 or newer)

Mac mini (Mid 2010 or newer)

iMac (Late 2009 or newer)

Mac Pro (Mid 2010 or newer)

Hello!

I have seen people with the error. In order to get past this. You can convert your drive to APFS on Disk Utility or Format your drive via disk utility. https://support.apple.com/en-us/HT208496. Using this link, you can see how this is performed.

Have any questions? Reply With your Model Name