: If you are attempting to open the file and encounter errors, ensure you are using the correct initial encoding to avoid corrupting the data during extraction. Official Access

: If testing a file from an unknown source, running it in a virtual machine or a "sandbox" can protect the primary operating system. Check File Extensions

Even with the correct process, you may run into problems. Here's how to solve them:

This almost always means one of the archive parts is corrupted or incomplete.

If you'd like, I can help you find or explain how to properly use 7-Zip to safely check the contents of an archive without fully extracting it.