Glossary
A HEIC file is a photo saved in Apple's High Efficiency Image format. It wraps the picture in the HEIF container and compresses it with HEVC, so the image keeps its quality while taking far less space than a JPG. Every iPhone and iPad has saved photos as HEIC by default since iOS 11.
HEIC is Apple's space-saving photo format. Convert it to JPG or PNG to open and share it anywhere on Windows.
Why Apple Moved to HEIC
On an iPhone you can switch back to JPG under Settings, Camera, Formats, Most Compatible. New shots become JPG, but photos already saved as HEIC stay HEIC until you convert them.
Will Windows Open a HEIC File?
A HEIC photo can carry an embedded thumbnail in a different format. If a program shows the thumbnail but will not open the full image, the file is fine, the app simply lacks HEIC support.
How to Open and Convert a HEIC File
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