"Image Not Available" is displayed when Keepster ran into an issue processing the picture to display in your Backup. The issue occurs typically due to one of the following reasons:
- Something went wrong during the processing of the HEIF image (What is a HEIF image? - see below*)
- Processing of the image timed-out after trying for 10 seconds
Even though something might have gone wrong in the processing of the image to display in your Backup. If you know what image it is, you can select it and add to a Keepster folder. You will likely see that the image does appear correctly in your Folder.

* What is a HEIF image?
A new file type has been invented to allow for High Efficiency Image Format (HEIF). This new format allows for digital photographs to be created in smaller files sizes, all while retaining higher image quality than its JPEG alternative. HEIF is critical since our iPhone cameras get more and more powerful. Apple iPhones often uses this new format when sending pictures in text messages.