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PowerPoint uses 96 dots per inch (dpi) by default when you export a slide. The DPI of the like .tif ones exported from PowerPoint are always 96. In the options of PowerPoint, there is a setting for choosing DPIs. However, it have no effect. For some needs like images for printing posters, larger DPIs like 150 or 300 are needed.
默认情况下,导出幻灯片时,PowerPoint使用每英寸96点(dpi)。 从PowerPoint导出的如.tif的DPI始终为96。在PowerPoint的选项中,有一个用于选择DPI的设置。 但是,它没有任何作用。 对于某些需求,例如用于打印海报的图像,需要较大的DPI,例如150或300。
The DPI for PowerPoint from 2003 to 2013 is controlled by a value in the Windows registry which has no option in PowerPoint (yet) to set it.
从2003年到2013年,PowerPoint的DPI由Windows注册表中的一个值控制,该值在PowerPoint中尚未设置(至今)。
To change the DPI settings, you need to modify the DWORD registry value ExportBitmapResolution
under HKEY_CURRENT_USER\\Microsoft\Office\VERSION\PowerPoint\Options
where VERSION is the version of your Office suite (e.g. Office 2013 is 15.0). The decimal value is the DPI of the images (at most 307 which is the limit set by PowerPoint).
若要更改DPI设置,您需要在HKEY_CURRENT_USER\ \Microsoft\Office\VERSION\PowerPoint\Options
下修改DWORD注册表值ExportBitmapResolution
,其中VERSION是您的Office套件的版本(例如Office 2013为15.0)。 十进制值是图像的DPI(最多307,这是PowerPoint设置的限制)。
Here, I give 2 examples of the corresponding Windows Registry .reg file for setting DPI to 300 and 150.
在这里,我给出了两个相应的Windows Registry .reg文件的示例,这些文件将DPI设置为300和150。
dpi-300.reg ():
dpi-300.reg( ):
Windows Registry Editor Version 5.00[HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Options]"ExportBitmapResolution"=dword:0000012c[HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\PowerPoint\Options]"ExportBitmapResolution"=dword:0000012c[HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Options]"ExportBitmapResolution"=dword:0000012c[HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\PowerPoint\Options]"ExportBitmapResolution"=dword:0000012c
dpi-150.reg ():
dpi-150.reg( ):
Windows Registry Editor Version 5.00[HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Options]"ExportBitmapResolution"=dword:00000096[HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\PowerPoint\Options]"ExportBitmapResolution"=dword:00000096[HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Options]"ExportBitmapResolution"=dword:00000096[HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\PowerPoint\Options]"ExportBitmapResolution"=dword:00000096
Here, the dword value is in hexdecimal: 0x96 == 150
and 0x12c == 300
. The registry settings are set for PowerPoint from Office 2003 (11.0) to 2013 (15.0).
此处,dword值为十六进制: 0x96 == 150
和0x12c == 300
。 从Office 2003(11.0)到2013(15.0)为PowerPoint设置了注册表设置。
If you need other DPIs, change the values accordingly. If you have newer version of Office, find and change the VERSION accordingly, or manually edit Windows registry in the “regedit” tool.
如果需要其他DPI,请相应地更改值。 如果您有较新版本的Office,请相应地查找和更改版本,或在“ regedit”工具中手动编辑Windows注册表。
How to import these settings:
如何导入这些设置 :
1. Save the content to a .reg file on Windows. Close PowerPoint if it is started.
1.在Windows上将内容保存到.reg文件。 如果启动PowerPoint,请关闭它。
2. Right click the .reg file and select “” to merge it into Windows Registry. It will ask your permission.
2.右键单击.reg文件,然后选择“ ”将其合并到Windows注册表中。 它将征求您的许可。
Restart PowerPoint and you can export slides to images at your designated DPI.
重新启动PowerPoint,您可以将幻灯片导出到指定DPI的图像。
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