I finally got around to creating a sample PPSX on my brother's computer. The file is identical to pptx, or at least can be opened as such by OO.o - the only difference is the filename extension, and that it should open directly in slideshow view, not in the editor.
** Attachment added: "sample.ppsx" http://launchpadlibrarian.net/28070182/sample.ppsx -- .ppsx (Office 2007 slideshows) files not recognized https://bugs.launchpad.net/bugs/344198 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs