How to Change PowerPoint Resolution and Export Slides




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How to Change PowerPoint Resolution and Export Slides
This step-by-step article describes how to change the resolution dots-per-inch (the dpi settings) of exported slides by adding a new registry value for Microsoft Office PowerPoint 2003 or for Microsoft Office PowerPoint 2007. Additionally, this article describes how to export a slide as a picture.

Note: The following shows the default settings for a slide that you export as a picture.

Pixels

Dots-per-inch (dpi)

960 x 720

96 dpi (horizontal and vertical)

A
Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.
Steps for backing up and restoring the registry are provided at the end of this document.
dd the registry settings
To export a slide as a picture with a resolution greater than the default 96 dpi, you must add a registry value. To do this, follow these steps.

1. Exit your Microsoft Windows programs.


2. Click Start, and then click Run.
3. In the Open box, type regedit, and then click OK.
4. Expand the registry to the key for the version of PowerPoint that you are using:

PowerPoint 2007
Note The registry key for PowerPoint 2007 will not work with Office 2007 Service Pack 1.

HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Options

5. With the Options key selected, point to New on the Edit menu, and then click DWORD Value.
6. Type ExportBitmapResolution, and then press ENTER.
7. With ExportBitmapResolution selected, click Modify on the Edit menu.
8. In the Value data box, type the resolution value that you want, based on the following table.

Note: The maximum resolution setting that PowerPoint 2007 exports is 307 dpi.

USE 192 as the setting to export 1920x1080 when using a widescreen template


Decimal value

Pixels (horizontal x vertical)

Dots-per-inch (horizontal and vertical)

50

500 x 375

50 dpi

96 (default)

960 x 720

96 dpi

100

1000 x 750

100 dpi

150

192

1500 x 1125

1920 x 1080

150 dpi

192 dpi

200

2000 x 1500

200 dpi

250

2500 x 1875

250 dpi

300

3000 x 2250

300 dpi

9. Click Decimal, and then click OK.

10. On the File menu, click Exit to exit Registry Editor.



Export a PowerPoint slide as a picture

To export a PowerPoint slide as a picture, follow these steps:



  1. Start PowerPoint, and then open your slide presentation.

  2. Open the slide that you want to export.

  3. On the File menu, click Save As.

  4. In the Save as type box, select the type of picture that you want to export your slide as, and then click Save.

    For example, in the Save as type box, select one of the following:



GIF Graphics Interchange Format (.gif)
JPEG File Interchange Format (*.jpg)
PNG Portable Network Graphics Format (*.png)
TIFF Tag Image File Format (*.tif)
Device Independent Bitmap (*.bmp)
Windows Metafile (*.wmf)
Enhanced Windows Metafile (*.emf)

Note You may also want to change the location where you save your picture by changing the location in the Save in box. You may want to change the name of your picture by changing the name in the File name box.

Limitations
When you set the ExportBitmapResolution registry value in the registry to change the export resolution of a picture in Microsoft Office PowerPoint 2003, there is a limitation that you must be aware of. The maximum resolution setting that Office PowerPoint 2003 exports is 3072 pixels measured from the longest edge of the slide. For Example, the standard 10x7.5" slide would have a maximum effective DPI value of 307. (10x307) = 3070. The measurement of 3070 pixels falls within the 3072 limit. Any DPI settings higher than 307 for the standard slide would revert to the limit of 3072.

Collapse this tableExpand this table



Decimal value

Pixels (horizontal x vertical)

Dots-per-inch (horizontal and vertical)

307

3072 x 2304

307 dpi

Note The limitation of 3072 pixels applies to programmatically saving the slide as well. Code that is designed to export the slide at a given pixel measurement will also be limited to 3072 pixels.

For example, ActiveWindow.Selection.SlideRange(1).export "c:\filename.jpg","JPG",4000,3000 will result in a graphic being programmatically exported at 3072x2304 pixels.



For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756  (http://support.microsoft.com/kb/322756/ ) How to back up and restore the registry in Windows


Manual steps to back up the registry in in Windows XP
1. Click Start, click Run, type %SystemRoot%\system32\restore\rstrui.exe, and then click OK.
2. On the Welcome to System Restore page, click Create a restore point, and then click Next .
3. On the Create a Restore Point page, type a name for the restore point and then click Create
4. After the restore point has been created, click Close.

Note If System Restore is turned off, you receive a message that asks whether you want to turn on System Restore now. Click Yes. Then, in the System Properties dialog box, click to clear the Turn off System Restore check box, click OK, and then repeat this step.

Manual steps to restore the registry in Windows XP Use System Restore to undo re...

Manual steps to restore the registry in Windows XP:
1. Click Start, click Run, type %SystemRoot%\System32\Restore\Rstrui.exe, and then click OK.
2. On the Welcome to System Restore page, click Restore my computer to an earlier time (if it is not already selected), and then click Next .
3. On the Select a Restore Point page, click the system checkpoint. In the On this list select the restore point area, click an entry that is named "Guided Help (Registry Backup)," and then click Next. If a System Restore message appears that lists configuration changes that System Restore will make, click OK.
4. On the Confirm Restore Point Selection page, click Next. System Restore restores the previous Windows XP configuration and then restarts the computer.
5. Log on to the computer. When the System Restore confirmation page appears, click OK.

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