thalgrond

In chronological order:

0. Both Knights of the Old Republic games (Hudson et al)
1. Outbound Flight (Zahn)
2. Clone Wars 3D animated series (Filoni et al)
3. Clone Wars 2D animated series (Tartakovsky et al)
4. Belatedmedia’s rewrites of the Prequel trilogy (Lucas, Barryte et al, with art by Jackie Whistler)
5. Thrawn (Zahn)
6. Rogue One (Edwards et al)
7. Original Trilogy (Lucas, Kershner et al)
8. Heir to the Empire, Dark Force Rising, The Last Command (Zahn)
9. Most of Force Awakens (Abrams et al, some scenes replaced entirely by my imagination)

In optimal order of consumption (titles in brackets can be safely skipped; if two or more are surrounded by the same type of brackets, skipping one means that the other should be skipped as well)

1. A New Hope
2. The Empire Strikes Back
3. Rogue One
4. The Return of the Jedi
5. ( Belatedmedia’s prequel rewrite )
6. ( The Clone Wars, both series, 3D first, and then 2D immediately afterward )
7. [ Heir to the Empire trilogy ]
8. [ Thrawn ]
9. [ Outbound Flight ]
10. { The Force Awakens }
11. (KOTOR 1 and 2)