Look for file extensions like .wav , .mp3 , .bnk , or .json .

If this was downloaded from a random Discord link or a "leaks" forum, be extremely cautious.

A small file (under 10MB) is likely just text or metadata; a large file (GBs) usually indicates high-quality audio or video assets. 🛠️ How to open it

Right-click and run a scan with Microsoft Defender or upload it to VirusTotal.com .

In less common scenarios, it could be a collection of data from financial institutions or "bank" spreadsheets.

Are you trying to or just curious about the data?

Most common in game development. It likely contains .bnk or .pck files (Wwise audio banks) holding music, sound effects, or character dialogue.