I can give you the exact steps to extract only what you need without breaking your current installation.
: Saving login tokens to skip Two-Factor Authentication (2FA) on a new machine. Potential Issues [09.09.2022] [12.01.33] Steam.rar
: Contains config.vdf which stores your account settings, login state (at the time), and family sharing preferences. I can give you the exact steps to
The contents of a backup like this are generally used to restore specific settings without re-downloading entire games. login state (at the time)
Around September 2022, many users were creating these backups to:
: If you try to restore this today (April 2026), the appmanifest files will be extremely outdated. Steam will likely force a massive update for every game included.