: A popular commercial tool that supports a vast array of proprietary and standard archive formats.

Could you clarify or what kind of system you are using? Knowing if this is a game file, a database backup, or a specific software download would help in providing more precise instructions.

While not a standard extension like .zip or .7z , the suffix "zip" strongly suggests it is a compressed archive. The "vtgl" prefix might refer to a specific software vendor or a "Virtual" category of files (e.g., related to virtual environments or gaming assets). 2. How to Open the File