When exporting the ODP file to another format (usually PPT, PDF or HTML), ensure the exported file is accessible as well.Improve the native accessibility of the OOo Impress ODP file.There are at least two things that can be done to increase the accessibility of OOo Impress documents:

In this resource, files created in OOo Impress will be referred to as ODP files and Impress Files. The extension for files created in OOo Impress files is ODP (OpenDocument Presentation). Note: saves files to the OpenDocument format or ODF. For those of you familiar with Microsoft Office, the following table should help clarify the similarities between MS Office and OOo: Function is not as popular as Microsoft Office, but it provides almost all the features your average user will encounter. Several government agencies (including the entire state of Massachusetts), institutions and individuals use as their primary office suite. Although it is often called Open Office, the correct name of the suite of tools is, often abbreviated as OOo.

is a free, open source office suite, comparable to Microsoft Office. Developing educational resources NCDAE Tips and Tools: Impress

Openoffice ppt