Change the storage format to "Best Compatibility"
The easiest way is to set "Format" to "Best Compatibility" in "Settings-Camera", so that the photos taken by iPhone will become JPG format, which can be opened directly after being exported to the computer.
Set automatic conversion during transmission.
Open "Settings-Photos" in turn, slide to the bottom of the page, and select "Automatic" in the "Transfer to MAC or PC" item, and photos will be automatically converted to JPG when transferred from iPhone to computer.
Three ways to quickly convert photos in HEIC format into JPG.
If you use AISI assistant to export photos, you can select "Convert to JPG file when exporting" in Export Settings.
Three ways to quickly convert photos in HEIC format into JPG.
Use AISI assistant to convert the format.
If you have stored photos in HEIC format on your computer, you can use AISI Assistant to convert them in batches. Open the function of "converting HEIC pictures" on the Toolbox page, add the photos to be converted, and click "Modify Now" to finish.
Three ways to quickly convert photos in HEIC format into JPG.