This is a proprietary archive format created by WinRAR. It is used to compress large amounts of data into a smaller footprint.
While the exact contents depend on the source, filenames following this specific pattern are frequently associated with:
"ChinesePanda02b" likely refers to the specific project, software, or media collection contained within the archive. Common Uses for This Filename
Large datasets or firmware backups for specific hardware revisions (the "02b" often denotes a version or hardware ID). Important Usage Tips
Assets or ROM sets for arcade systems (like MAME) or specific console emulators.