PowerPoint slides use a 16: 9 widescreen by default. If you want to change it to the standard 4: 3 ratio, or even create a custom size, PowerPoint offers a quick and easy way to achieve this.
Resizing PowerPoint Templates
Resizing Slides In PowerPoint, this affects the way they appear during the actual presentation and how they appear on the handouts. Open the presentation whose size you want to change and select the Design tab.
tab Then click the Slide Size button.
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Click on the displayed Window "Slidesize" on the box under "Slidesize for" (1) will open a menu with various options Choose the one that suits your needs Alternatively, you can adjust the dimensions of the slides by entering the slide size in the Width and Height fields (2). Finally, you can select the orientation of your slides and leaflets by selecting "Portrait" or "Landscape" (4) in the appropriate sections.
When you are satisfied with the setup, click OK.
If you want to use this size for future presentations, save this topic and select it for your next presentation On the Design tab, select the "more" arrow, located at the bottom right of the Themes group.
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Windows Explorer will now appear and prompt you to name and save your name. Rename it, but do not change the location where it is stored. Topics saved to this default location are available with a mouse click on the PowerPoint startup screen. Once you're done, click "Save."
Make sure it is saved. Complete your current PowerPoint presentation and reopen PowerPoint – this time as a blank presentation. In the left pane, select "New."
At the top of the window, select Custom.
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If you select your custom theme, a new presentation opens with all the saved settings.