i've seen the human web recommended for this. it's one attempt to sum up world history in <300 pages. naturally the authors have to pick certain abstractions and generalizations at the expense of others, but it's interesting so for (i've only read the first couple chapters).

this thread is good too: https://www.reddit.com/r/AskHistorians/comments/qucta/what_is_a_good_book_for_learning_world_history/