Microsoft Office Tutorials and References
In Depth Information
Reducing Resolution with a Third-Party Utility
3. (Optional) If you do not want to compress all of the pictures, make sure the
Apply Only to This Picture check box is marked.
4. (Optional) If you wish to save additional space by deleting the cropped-out
areas of pictures, select the Delete Cropped Areas of Pictures check box.
5. Select the desired amount of compression:
Print (220 ppi). Choose this if you are printing the presentation on paper; it
keeps the photos at a resolution where they will look crisp on a printout.
Screen (150 ppi). Choose this if you are displaying the presentation using a
projector or distributing via the Internet. Some projectors have a higher resolu-
tion than a monitor.
E-mail (96 ppi). Choose this if you are e-mailing the presentation to others
because this lower setting results in a smaller fi le that will transmit more easily
via e-mail.
Use Document Resolution. Use this to match the resolution of the pictures to
the resolution defi ned in PowerPoint Options (File
6. Click OK to perform the compression.
Some e-mail servers have limits on the i le sizes they will accept, so keeping the PowerPoint i le as small as possible
when distributing via e-mail is a good idea. If you send someone an e-mail with a large i le attached to it, the server
may reject the message, but you might not get an error message back from the server at all, or you might not get one
for several days.
Reducing Resolution with a Third-Party Utility
Working with resolution reduction from an image-editing program is somewhat of a trial-
and-error process, and you must do each image separately.
You can approximate the correct resolution by simply “doing the math.” For example, suppose
you have a 10”
7.5” slide. Your desktop display is set to 800
600. So your image needs to
be 800 pixels wide to fi ll the slide. Your image is a 5”
3” image, so if you set it to 200 dpi,
that gives you 1,000 pixels, which is a little larger than you need but in the ballpark.
Exporting a Photo from PowerPoint to a Separate File
What goes in must come out, right? Suppose you have a picture that exists only in
PowerPoint, for whatever reason. Perhaps it was scanned directly into PowerPoint in an ear-
lier version, for example, and you no longer have access to the original fi le.
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