Hi @Vinodankwa, welcome to our forum!
The Album application does not support this format, so you need to download an application from the Google Play store that can read this format or try using the Google Photos application to view them.
HEIF is the image format, but HEIC is what the files are called.
Just search for heic or HEIF and you should have a couple of alternatives to choose from either an app that can open them, or convert them to a more normal format.
I hope that helps!
