This happened before where support ran script and it fixed it.
Says 26GB used but shows only 3.6
Question
storage full
Hi there,
Welcome to Box Community and I'm here to help!
We've corrected your storage count. To verify this, log in to box.com> Account Settings> Used Storage.
Let us know in this forum once get this issue again. https://support.box.com/hc/en-us/articles/360043695334-Storage-Usage-Or-File-Count-In-My-Account-Is-Incorrect
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