Power Point files, be it marked as .PPT, PPTX or with any other compatible extension out there, may be created, edited and viewed using online services.

Here’s how to open a presentation you already created in PowerPoint Online. Click on the File button in the top-left corner of your screen. Now click on Open.

Microsoft Word can accommodate a surprising number of file formats, and even take in Excel and PowerPoint data, though it might look funny. Here's how.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

To always open supported Office hyperlinks in Word, Excel, and PowerPoint desktop app instead of the browser, follow these steps: Open Microsoft PowerPoint, Word, or Excel.