Am 13.06.2021 um 04:59 schrieb Scott Lurndal:
If I crop a photo with multiple people in it and want to make sure the JPEG
exif thumbnail doesn't still have the people I cropped out, what Windows
program can I use to reset the thumbnail to the newly cropped results?

If you want to remove the EXIF data (which also contains the thumbnail),
you can use Exifer:
http://www.friedemann-schmidt.com/software/exifer/
--
Alfred Molon

Olympus 4/3 and micro 4/3 cameras forum at
https://groups.io/g/myolympus
https://myolympus.org/ photo sharing site