Because this file name is commonly associated with tools that , there are two likely interpretations for your request: 1. Malware Analysis or Security Write-up
Using Developer Tools (Ctrl+Shift+I) in Opera GX to view and copy cookie values. quickcookie-OperaGX.txt
Please clarify: are you asking for a of a suspicious file you found, or a how-to guide for exporting your own cookies? Advanced Scannability: Because this file name is commonly associated with
These files are usually stored in AppData\Roaming\Opera Software\Opera GX Stable . Advanced Scannability: These files are usually stored in
The .txt suffix usually follows the Netscape cookie format , which uses tab-separated values. Which perspective are you interested in exploring further? Cookie-Editor extension - Opera add-ons
If you are trying to use a legitimate tool to your own data, the write-up would focus on:
How it uses a tool (often called "QuickCookie") to decrypt and save these cookies into a .txt file for a hacker to bypass your logins. 2. Developer/User Utility Guide