Setting Poster Size and Saving as PPT File
How to Set Your Poster Size in PowerPoint (36×48 or 48×36) and Save as One File
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Open PowerPoint
Start a new blank presentation or open an existing one. -
Open Slide Size Settings
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Go to the Design tab.
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Click Slide Size on the right end of the toolbar.
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Select Custom Slide Size.
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Enter the Required Poster Size
Choose one of the required dimensions:-
36 inches (height) × 48 inches (width) for landscape posters
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48 inches (height) × 36 inches (width) for portrait posters
Make sure the Orientation matches your chosen layout.
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Apply Scaling
When prompted:-
Choose Ensure Fit to prevent content from being cut off,
or -
Choose Maximize to scale content up (you may need to re-adjust elements).
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Design Your Poster
Insert text, images, charts, and layout elements.-
Use View → Zoom for easier editing.
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Use Arrange tools under the Home tab for alignment and spacing.
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Save as a Single PowerPoint File
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Go to File → Save As.
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Choose your save location.
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Make sure the file type is PowerPoint Presentation (*.pptx).
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Name your file and click Save.
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(Optional) Export as PDF
Useful for printing or submission:-
Go to File → Export → Create PDF/XPS Document.
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Select Standard and click Publish.
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