Current
To order your columns and assign them optionally a width.
Ordered comma-separated value of column folder names located under Admin|WorkflowTemplates|Columns with optional width.

e.g. Id=50,Signature,Name=250,Version=55,Created=120,CreatedBy=120,Modified=120,ModifiedBy=120
where Id column will get a width of 50 pixels, Signature column will get a default width of 90 pixels.
Id column will appear on the leftmost position, ModifiedBy column on the rightmost position.
Possible values:
Default value: Id=50,Signature=57,Name=250,Version=55,Created=120,CreatedBy=120,Modified=120,ModifiedBy=120