Why images don't work as JPEG files?

Question

I'm sorry if this question does not apply to this website but this situation has been bothering me for awhile. I occasionally right-click on images within the net and save them. As of lately, these pictures have been showing up as BITMAP or ART files as opposed to JPEG files. It used to work as JPEG files and now they take up a lot of space as BITMAP files or do not even work as an ART file. Also, I know that these pictures that I right-click on are indeed JPEG files because of what it says in the properties option. What can I do to fix this problem? Any help you could find out for me would be well appreciated. Thank you for your time.

Answer

This question was answered on June 3, 2003. Much of the information contained herein may have changed since posting.

If you insert a Joint Photographic Experts Group (JPEG) image file into a PowerPoint slide through Microsoft Clip Gallery or Microsoft Photo Editor and save your presentation, the file size is larger than if you import the JPEG image directly into PowerPoint

If you need to keep the size of your presentation file as small as possible, use the following steps to import JPEG (.jpg) files:

On the Insert menu, point to Picture, and then click From File

In the Insert Picture dialog box, navigate to the folder that contains the image you want to import

Click the name of the file you want to import, and then click Insert.

The data in JPEG files is highly compressed When you insert a JPEG file by using Clip Gallery or Photo Editor, those programs decompress the data and send the picture information to PowerPoint without the data compression

PowerPoint itself understands the JPEG family of compression schemes, and can import the picture without decompressing it

If you have already inserted a JPEG file as a Clip Gallery object or as a Photo Editor object, you can reduce the size of the file somewhat by doing the following:

Click the image on your slide

On the Edit menu, click Cut

On the Edit menu, click Paste Special

Click Picture or Picture (Enhanced Metafile) on the As list

PowerPoint applies data compression to inserted pictures However, the data compression scheme it uses does not reduce the file size as much as the JPEG data compression schemes

NOTE: JPEG compression sacrifices picture quality The data compression PowerPoint uses does not.

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Author

Posted by Student of Katharine Gibbs School - New York on June 3, 2003