The editor saves as you type. When it cannot reach Studio, the top of the editor shows Not saved. Retry.
You may also see:
"Your latest edits are not saved. Retry the save first."
"Draft not saved:" followed by the reason, in Create.
Not saved at the top of the Designer or video editor on a computer.
What to do
Check your internet connection.
Tap Not saved. Retry in the editor, or press Ctrl+S (Cmd+S on Mac).
Keep the tab open until you see Saved. On a phone, a tick shows instead of the word.
In Create, tap Save draft once you are back online.