oSX system reinstall checklist

Intention is to reformat hard drive & reinstall oSX.

Keen to make sure this takes as little time as possible, as I know it can be a tedious and time consuming experience.

I don’t intend to do a full restore, but use the opportunity to do a spring clean and start from scratch, only installing on a “needs” basis, so as to avoid taking any potential old dross with me.

I have both Time Machine backup / Carbon Copy clone / additional backup and a separate copy of certain user files. iTunes files are on an external hard drive also backed up. Almost all passwords are managed outside of KeyChain, exception of Apple stuff and certificates.

I figure there are 4 stages: Prep' / Decommission / Reinstall oSX / Install Files

What have I missed & what to look out for? *denotes I'm OK with / ?? denotes I'm unsure about.

Any advice appreciated.

Preparation:

- backup & clone*

- applications list*

- passwords from Key Chain - what if anything do I need to export??

- downloads folder for old apps archive*

- Finder/documents folder & dmg’s*

- Finder/iTunes library*

- Finder/photos folders*

- photos app library??

- contacts??

- calendars??

- multiple email accounts settings*

- email library files??

- browser bookmarks - safari / chrome / extensions & plugins??

- user/library*

- bootable drive with oSX*, but do I need??

Decommission:

- turn off Firevault*

- turn off iCloud*

- sign out Messages / Facetime*

- deauthorise iTunes*

- deauthorise Trusted Devices??? / two factor via iCloud*

- Firmware password is currently set to on*

Reinstall oSX:

- restart in Recovery Mode*

- erase harddisk*

- reinstall oSX*

Reinstall files: