Can you please explain file size change when saving?

[Tcd2000]

I am currently evaluating AP. I am curious as to what is happening when I open an existing jpg file and save it as a native .afphoto file? 

Original file:

5472 x 3648 x 24b JPEG 19495.0 KB

AFPhoto file:

512 x 341 x 32b AFPHOTO 19708.3 KB

 

I noticed the weird difference in file size while going through my files in a photo manager program. The AFPhoto comes up, but it's extremely smaller in viewing size (not physical size). I figured out that if I want to use the photo in presentation programs (Word, Powerpoint, etc.) I have to open the file back up in AF and export it as a JPG or a TIFF, which resumes the file to its original viewing size (5472 x 3648)

 

I only ask, because this wasn't mentioned in the OPEN/SAVE tutorial. That, and when viewing in anything other than AF, zooming in on the file produces extreme pixelation.

 

[R C-R]

Just guessing about this but I suspect your photo manager program (which is what?) is showing you the thumbnail view saved in the .afphoto file. As a test, you might want to go to preferences > General & uncheck the box for "Save thumbnails with documents." Save a test .afphoto file & see what your photo manager program shows for it.