A file with the extension uses the 7z format , an open-architecture archive format known for high compression ratios.
To access the image inside, you must "extract" it using a compatible archiver: IMG_2427.7z
Applications like Keka or The Unarchiver can handle .7z files. Mobile: Use apps like iZip (iOS) or ZArchiver (Android). Security Warning A file with the extension uses the 7z