Use a file archiver tool like 7-Zip or WinRAR to extract the contents. View: Open the extracted folder to view the images.

Based on the filename "," this appears to be a compressed archive file, likely containing images taken by someone named Carl.

If you were trying to access a specific image from this file, you may need to open it on your device first. To help you further, could you tell me: Did you mean to find a inside this archive? Are you having trouble opening the .7z file?