Ha! I do that also, I have a "source Images" file with "duplicates" of the original file. I downsize the original photos to a better PPT display resolution. My reference files are usually photos I've taken or that friends have sent (and given permission to use).  I code the file name, referencing the the photographer, too. And all are backed up :)
Some times they are hard to back trace if I want to go to the source photo, but that's not such a bad search.

I have used Google search for finding images, rather amazing I think.

Plan for the worst. Fingers, toes and eyeballs crossed for the best.
Cheers,
Linda



____________________________
Linda M. Feltner Artist LLC
P.O. Box 325, Hereford, AZ 85615
520.803.0538
www.lindafeltner.com
On 2/11/19 10:07 AM, Karen Ackoff wrote:
[log in to unmask]"> Linda,

When I work on a PowerPoint presentation, I keep a folder I label “source images”. So I have a copy of all the images I use, and often a few that I don’t. As I find images that I use (often historical works of art), I take a screen shot of the source (museum, web site, etc.). I usually include this information with the image on the PowerPoint slide. This way, if anything happens to the original PowerPoint file (which is backed up locally on Time Machine, a local hard drive and a remote backup service), I can reconstruct it if I need to. I also usually generate a handout, which shows the slides in order, and I save that as a PDF. This can serve as a handout to students but also as a guide, should I ever have to reconstruct a presentation.

Did you know you can search images via Google? Go to Google Images and you can drag-and-drop files into the search field, and Google will search for the image. It can’t always find what you want, but it often can. So give that a try.

Plan for the worst. Hope for the best.

K

On Feb 11, 2019, at 10:36 AM, Linda Feltner <[log in to unmask]> wrote:

Many thanks, Britt:
That is good to know.  I sometimes wish I could back trace the image by its original file name. But, alas, no.

Cheers,
Linda
____________________________
Linda M. Feltner Artist LLC
P.O. Box 325, Hereford, AZ 85615
520.803.0538
www.lindafeltner.com
On 2/11/19 9:26 AM, Britt Griswold wrote:
[log in to unmask]" class="">
Original images can be extracted out of Keynote, but the names have been changed to an internal Keynote schema.  The sam goes for Power point, but the extraction is not user friendly and may require some terminal commands...

I think you may be able to save down both Keynote and PPT to earlier versions, but opening newer files on older programs is not going to work. As long as you have both new and old versions of the program, you can work around that stuff. You can probably live with a new version of Keynote on your laptop and an older version on your desk top as long as you have access tot he laptop to convert down when you need to.

Britt

On 2/10/19 11:12 AM, Linda Feltner wrote:
[log in to unmask]" class=""> Thank you, Britt:

I do use just the basic stuff, and I use the default font as titles which are basic page breaks for me.

Very interesting about the versions. I am considering bringing my OS up to date with the laptop, which is newer, but i hate to up the OS in the middle of job production. I just don't need the headaches. Plus that has brought on the dilemma of signing up for Office 365 or not.  

NOrmally I build the PPT on the desktop which is OS Sierra. But always during a workshop I add photos to address questions that students ask along the way. So if it won't save it "down", then I won't be able to open it on the desktop. hmmm..

I was shocked when I ran the Presenter View on PowerPOint on the laptop with High Sierra. The filmstrip along the bottom was upside down and backwards.  I like the filmstirp feature because I can look ahead and zip right to it.  

Oh, I saw where Keynote can extract the image. Cool feature, I wonder if it retains the original resolution. It doesn't seem to do that in PPT.

AND, does Keynote retain the file name of the original image. I always disliked that in PPT.  just curious.

I know, I know, I'll need to update at least the desktop OS, real soon. So I shall have to decide if I want to purchase Office 365 (phht)

Thank you very much for your advice,
Linda

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