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Why are images limited to 3072 pixels?
PowerPoint 2010 and earlier cannot export images of over 3072 pixels. Later versions enable higher resolutions, but there have been some issues along the way.
If you have a later version of PowerPoint, ImageExport can export much larger images but for now, there's a little trick to enabling the feature. You'll need to edit the PPTools.INI file. To open it for editing:
- Click the Help (?-icon) button on the ImageExport toolbar.
- Click the "Installed in:" link at the bottom left of the About dialog box that appears.
- Look for a file named PPTools.INI (it may appear as just PPTools, shown as a Configuration file type).
- Double-click the file to open it, usually in Windows notepad.
Now edit the file as follows:
Look for the section that starts:
[ImageExport]
Immediately below it, add this:
;This allows user to set max output resolution ;and override ImEx's default limit MaxResolutionOverride=10000
It should now look like this:
[ImageExport] ;This allows user to set max output resolution ;and override ImEx's default limit MaxResolutionOverride=15000
with the other original entries following.
Save the file.
Now go back to the ImageExport preferences dialog box and you'll find that you can enter values of up to 10000 in the export pixels setting area.
If you wish, you can experiment with even highter MaxResolutionOverride settings; there seems to be a limit of around 15000 pixels, but that could change from one version to another.
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