Login to Telegram Desktop using TData folder with these steps:
First, download and install Telegram Desktop on your PC. Download Here.
From the website, click “Download TData” to get the TData folder for your account.

Take the telegram.exe file and copy it into the folder where the tdata folder is located (the one you downloaded).

Run the telegram.exe inside that folder. Telegram will open automatically logged in using the provided TData.

Open Telegram Desktop and you should be automatically logged in.
Last updated: October 16, 2025