The Quick Look Pipeline (QLP) team at MIT has released over 9.1 million light curves in the third High-Level Science Product release from this data pipeline. The data release includes light curves for TESS targets brighter than Tmag 10.5 in the 10-minute-cadence full-frame-images (FFIs).
Explore the HLSP on MAST and download light curves here: https://archive.stsci.edu/hlsp/qlp
Find the research note for the Extended Mission light curves here: Kunimoto et al, 2021
Learn more about the Quick Look Pipeline here: https://tess.mit.edu/qlp/