How to format & change Slide layout in PowerPoint
Formatting should always be either the last or the first part. Doing it at the end makes sure that you are past your final content, and all you need to do is make it look right. So follow the steps to change the formatting of all the slides in the presentation in one go. One thing you should understand is using this method; you will be able to apply the same color, fonts, backgrounds, effects, and anything on look and feel. For example, if you insert a logo in the master slide, it will appear on all the slides. The master slide is the first slide, and the rest of them are treated as child slides. Any changes you make must be made on the parent slide i.e., the first slide or the slide master. The changes will be picked up all the slides under it. If you have multiple slide masters, then you need to handle them one by one. In the below image, changed the master slide theme, and it automatically applied it to all the slides. Carefully notice the change in color in the preview.
In case you have multiple Slide Master, then you need to change them individually. The below image shows how I was able to apply two different themes in the case of two slide masters.
Preserve Slide Master
In the end, I would like to explain the Preserve feature. If you do not want to delete a particular Slide Master and all the slides under it, then you need to select the Slide Master, and then click on the Preserve button in Edit Master section. Done that, you will see that slide as a pinned icon next to it.
Formatting PowerPoint presentations are accessible, but you have to be careful with selection and make sure always to use the Slide Master. I hope the tutorial was easy to follow, and you were able to format and change the Slide layout in PowerPoint at once
