I want share a tool than I heard at other sims site
Sims 4 Tray Importer
This tool work to export and import sims and lots from your tray without use gallery
(ok, I know it can allow share our creations with pirate copies than cant access to gallery, but also is useful to upload our creations to our blogs)
link to download it;
once you install Sims 4 Tray Import, open it and you will see all your content
Then you notice 2 buttons, Export and Export with CC.
It allow export also CC used at our sims or lots.
If export with CC other window will open to confirm all CC than will be exported
Te result file will be a ZIP file with the TRAY files of that sim or lot, and a Mods folder with the CC used.