You can change the size of a slide in your PowerPoint presentation through the "Design" menu on the Windows PC, Apple MacOS, ...
Formatting should always be either the last or the first part. Doing it at the end ensures you are past your final content, and all you need to do is make it look right. So follow the steps to change ...
In PowerPoint, slides are sized for an onscreen slide show. They are displayed horizontally, with slide numbers starting from one, but there are features in PowerPoint that allow the user to change ...
You can change the background of your PowerPoint slides using the "Format Background" feature located in the "Design" tab.
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