What is a .heic file?

[eadaoin]

I've just been looking at some pics someone sent of a wedding in 2018. Interspersed with the pics are .heic files.
Would anyone know what these might be?

[ShaunJ]

All I did was to Google it:

https://www.howtogeek.com/345504/how-to-open-heic-files-on-windows-or-convert-them-to-jpeg/

[eadaoin]

Thanks - I'll have a go at that!

[Andy J2022]

Your original question was What is a .heic file? The answer can be found on Wikipedia:  https://en.wikipedia.org/wiki/High_Efficiency_Image_File_Format

[eadaoin]

Thanks Andy