On the Office Web Apps blog, the software giant did talk about the improvements that are seen in Word and PowerPoint, worth quoting in full: How Does Word Web App Get Better With Silverlight?

Change the color of text on a PPT slide! Learn how to add multi-color text to a Microsoft PowerPoint presentation to make it attractive.

Alt text is just one of many little-known tools in the Microsoft 365 suite that you can use to make your and others' lives easier. For example, you can use the Check Accessibility feature in Excel, ...

This tutorial will show you how to put Videos and add Bullet Points to PowerPoint on the desktop as well as on the web, the easy way.

If you're using the PowerPoint mobile app, you just have to tap the magnifying glass icon at the top of the screen. PowerPoint can find any typed text, but it can't find text that's part of an image.