Open your file and select File > Package for CD... , then use the portable presentation saving options to copy the contents to a folder or USB drive. Unofficial Portable Applications

While the Viewer is perfect for presenting, it doesn't allow you to edit your slides. For those seeking a full-featured, that fits on a USB stick, the solution comes from the community of software enthusiasts. In the mid to late 2000s, several "ultra-slim" versions of Office 2003 began circulating on tech forums like Coolaler, Wuyou, and others.

The entire application folder can be copied onto a USB flash drive, external hard drive, or cloud storage.

You can use Cameyo to create a portable version of Office 2003. This process "captures" the installation and packages it into a single executable file that runs from a USB drive.