This question already has an answer here:
When I click on the little blue
i to view my quota there is no way there's 7GB worth of used space. There's not a ton of revisions. All my photos take up zero space because I bought a Pixel XL. All my docs are Google Docs not Word Docs so they don't take up any space. The biggest files I have are a few PDFs which are manuals for my dishwasher or clothes dryer. They start at 8MB and get smaller.
That's the top of my quota list. How can I find the problem files? If it's a mistake, how can I request Google to reindex my GDrive and fix the limit?