Sometimes when you save image in window 10, you could only save image as .jfif. ex) Saving All ImageTypes As Jfif. And then How to fix this problem?
How to fix .jfif -> .jpg when saving All ImageTypes As Jfif
1. Open Registry Edit in window 10
– Click Magnifying Glass icon next to window logo and input text “reg” or “regedit”
2. Go to HKEY_CLASSES_ROOT\MIME\Database\Content Type\image/jpeg
copy this path and paste it
3. And Extension value: change jfif -> jpg
4. Everything will be ok.