Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with PPSX files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening PPSX will be resolved!
PPSX (PowerPoint Open XML Slide Show) is a file format for presenting slides using Microsoft PowerPoint. It is based on the Open XML format, which is an open standard for exchanging documents between different applications. The PPSX format stores individual slides with text, images, animations, transitions, and other media.
The PPSX file format allows users to save their presentations in the form of XML documents that can be opened on both Windows and Mac computers, and are compatible with most versions of PowerPoint. The data stored in the document can be read and edited with any simple text editor, making it a great way to share presentations online or over email.
If given user account does not have necessary permissions to open files with PPSX extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.
After the application has been installed, the system should automatically open PPSX files with given application. Below is the list of relevant programs along with operating systems they are available for:
It is possible that an application that supports PPSX files is not associated with such files. In such case, the program should by manually associated with PPSX files (right-click on the file icon → Properties → General Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support PPSX files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open PPSX files with the selected program.
File association for PPSX files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.