Reduce dds file size

Download and install the latest version of Filestar.
Right click on one or more Dds file(s) on your desktop and select Convert with Filestar.
Type reduce file size in the search box.
Press Run.

What is .dds?

Name: DirectDraw Surface
Extension: .dds
Format: Binary
Category: Raster Image
Developer: Microsoft
Description: A DDS file is a raster image saved in the DirectDraw Surface (DDS) container format. It can store compressed and uncompressed pixel formats and is often used for texturing video game unit models. DDS files may also be used to store Windows desktop backgrounds or wallpapers.
MIME Type: image/x-dds
Sample: sample.dds
Wikipedia: .dds on Wikipedia