EX2 showing 95% full

My EX2 is showing the 2Tb volume1 as 95% full. The volume has 2 folders/shares - folder1 has 752Gb of data and folder2 has 24K. Folder1 has Recycle Bin setup but it is empty.
How can I sort this out?

Hi billmactv,

Maybe you should try contacting WD’s Technical Support about this.

To Contact WD for Technical Support
https://support.wdc.com/support/case.aspx?lang=en
The link below will allow you to call support.