
For Showcase presentations that are 2048 x 1536 pixels, enter 54.2cm (width) x 40.64cm (height)
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Not sure how to convert pixels to cm? Use these dimensions as a rough guide: Enter your desired dimensions in centimeters.Select ' Custom Slide Size' to open the options in a pop-up window.Note: If you're using an older version of PowerPoint, the 'Slide size' option may be under 'Page Layout' instead. Click ' Design' and select ' Slide size' from the menu.Open your existing PowerPoint presentation in Microsoft PowerPoint.This resolution looks great on a range of devices and is what we'll be using as an example in this article. The default ratio for new Showcase presentations is 4:3 or 2048 x 1536 pixels. You may have to remove any existing background if you've already added one. To do this, open the presentation in the Editor and click 'Background' in the toolbar above your presentation. Check the pixel dimensions of your Showcase presentation.

Here's how to adjust the size of your PowerPoint slides, so that they are the correct size to be used within the Showcase platform. If you do this, you might notice that the background images don't quite 'fit' your within the Showcase presentation screen dimensions. You can create a Showcase presentation in a few different ways - one of these is by importing an existing presentation from PowerPoint, or exporting PowerPoint slides as PNGs to use as background images to your Showcase slides.
