2.1.1006 Part 1 Section 20.68, dr3d:back-scale

a.   The standard defines the attribute dr3d:back-scale, contained within the element <style:graphic-properties>

This attribute is not supported in Word 2013, Word 2016, or Word 2019.

b.   The standard defines the attribute dr3d:back-scale, contained within the element <style:graphic-properties>

This attribute is not supported in Excel 2013, Excel 2016, or Excel 2019.

c.   The standard defines the attribute dr3d:back-scale, contained within the element <style:graphic-properties>

This attribute is not supported in PowerPoint 2013, PowerPoint 2016, or PowerPoint 2019.