Banks.7z «UPDATED ✮»

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

Right-click and run a scan with Microsoft Defender or upload it to VirusTotal.com . Banks.7z

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