: Download a portable version of Telegram Desktop. Do not use the installed Windows Store version, as its folder structure is harder to access.
: Because each session is contained in its own folder, users can switch between multiple accounts by simply swapping tdata directories in a portable version of Telegram Desktop.
: It contains encrypted session keys and authorization tokens that allow you to open a Telegram account without entering a phone number or receiving an SMS/OTP verification code.
The primary purpose of a tdata archive is to enable a "portable" or "ready-to-use" Telegram account without the need for traditional login steps.
: Stores account-specific data, including login cache, device fingerprints, and security layers based on MTProto encryption.
: Unzip tdata(2).zip to retrieve the internal tdata folder.
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