PPSX is a presentation file format used by Microsoft PowerPoint. It’s similar to PPTX but is specifically designed for creating slideshows. PPSX files open directly in slideshow mode, making them ideal for presenting during meetings or conferences. They can include text, images, multimedia, and animations.
TXT is a plain text file format that contains unformatted text. It is widely used for storing simple data and documentation, as it can be opened by almost any text editor. TXT files are lightweight and ideal for basic text notes, configuration files, and logs.