Ask HN: Why OneNote is taking all free storage?

2 points by shell_fish 4 hours ago

once a week i do use OneNote for past 2 years. idk suddenly it is taking all free space. which is 40gb now. cloud-sync isn't connected. and total notebooks are about 140mb. i quit onenote, restarted laptop, all the storage came back, then opened the OneNote, again it eat all the free space.