SDD (StarOffice Impress): SDD is a file format associated with StarOffice Impress, a presentation software included in the StarOffice office suite developed by Sun Microsystems. It is used for saving presentation documents.

How to Open an SDD File:

1. LibreOffice Impress:

2. Apache OpenOffice Impress:

3. StarOffice (if available):

4. Conversion Tools:

Programs that Open SDD Files: