HEIC is a highly efficient file format but has a major drawback.
The HEIC format may be efficient, but many operating systems cant read it.
For example, the Windows operating system doesnt support the HEIC format.

you oughta install a dedicated codec to open this file extension.
If you kill the High-efficiency image format on iOS, your iPhone will save the images in JPG format.
Heres how to turn off the High-efficiency image format in iOS 11.

First, initiate the Camera controls on your iPhone.
Inside the camera tweaks, you will find various options.
you should probably tap on Format.

Now, on the Formats screen, you oughta make changes to the Camera capture.
By default, High Efficiency will be selected.
you should probably change it to Most Compatible
Thats it!

If you have followed the steps correctly, your iPhone will always save the images in JPG format.
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