You are likely missing a part (e.g., you have .001 and .003 but are missing .002).
Standard zip tools built into Windows or macOS often struggle with split 7z files. It is best to use: (Windows - Free/Open Source) Keka or The Unarchiver (macOS) 3. How to extract Ensure all parts (.001, .002, etc.) are in the same folder . Right-click only the first file (ending in .001 ). Select 7-Zip > Extract Here (or "Extract to Dog/"). Dog.7z.002
To extract the contents, you must have the numbered parts in the same folder. This usually looks like: Dog.7z.001 Dog.7z.002 (the file you have) Dog.7z.003 (and so on...) 2. Use the right software You are likely missing a part (e