With Filestar you get 0 different skills for working productively with SmartDraw Template (.sdt) files.
About .Sdt
Name
SmartDraw Template
Extension
.sdt
Format
Binary
Category
Vector Image
Developer
SmartDraw
Description
A template saved by current SmartDraw versions (SMARTPGD followed by a zip). It shares the .sdt extension with the SmartDraw 6 template image format, and no converter here reads it yet.