Open Office Impress and Star Office Impress creates the sdd file extension when exporting a finished presentation or slide show. To open sdd files you will need to have Star Office Impress or Open Office Impress installed on your computer. You can find the Open Office software bundle which includes Open Office Impress available for download from the internet. The Open Office software bundle is open source which makes it free to download and use for everyone.
It is impotent to note that the sdd file extension is a finished presentation or slide show which means that it can not be edited. If you are using Open Office Impress to create presentations you will want to make sure you save an editable version of your project as well as the finished sdd file. If you have a finished Microsoft PowerPoint project that you would like to save as and sdd file you can always use Open Office Impress to complete this task as well.
The Open Office software bundle includes Open Office Impress as well as a number of other useful office tools. You will find it contains a word processing program as well as a spreadsheet program which are both fully compatible with Microsoft Office file extensions.