Apple has introduced a new compressed image format with the file type of HEIC - based on an image format called HEIF.   This format has some improved features over JPEG.  We added support for these images during the release in April 2021. 

Refer to this Helpdesk article for more details on how TTP supports HEIC:

For more info on the format please check out these links:

Not that you need this now the TTP supports HEIC directly... but just in case, here is a link to a HEIC to JPEG converter: